A fine 18K multicolor gold and diamond gentleman's dress watch by Van Cleef & Arpels. The octagonal face is decorated with finely engraved alternating bands of 18K yellow and white gold in a herringbone pattern. The white gold bezel is pave-set with round brilliant-cut diamonds. The stem is topped with a bezel-set diamond and the lugs are also pave-set. The watch retains its original black silk strap, the gold buckle also set with diamonds. The diamonds are graded as G-H color, VS1 clarity...

A very fine, heavy 18K yellow gold bracelet in the “Signature” or “Signature X” pattern by Tiffany & Co. This is a classic design that hasn’t been in production for quite some time. Each link is fully articulated so the bracelet lies nicely on the wrist. The clasp is marked “T & Co. 750”. Comparable bracelets at Tiffany currently retail in the $8,000 range.

Origin: America, ca. 1995. Condition: excellent. Size: 7-1/8” long; 5/16” wide. Weight: 29.1 grams.

A stunning pair of 18K yellow gold earrings in the "Heliocoidal" pattern by lauded designed Michael Good. The earrings are constructed in the anticlastic raising technique in with the piece is formed from a sheet of gold and then twisted along all three dimensions to create an organic shape that Good refers to as "molten energy." Each piece is created entirely by hand and does not employ any machine made parts such as earwires or clasps. Older examples of Good's jewelry is difficult to find...

A classic 18K gold “Open Heart” pendant in the large size by Tiffany & Co. Created by Elsa Peretti, this design has become one of Tiffany’s most popular and identifiable designs. This pendant is the second largest of the four available sizes. The pendant is suspended from its original Tiffany chain. The back of the pendant is signed “Elsa Peretti” and both the pendant and chain are fully hallmarked by Tiffany & Co. This piece is currently available at Tiffany & Co...

A superb modernist 18K yellow gold pendant set with a large bi-color tourmaline. Haroldo Burle Marx was particularly known for his bold use of very large gemstones, often fashioned by carving or tumbling rather than faceting. The color of this tourmaline shades from deep green to deep purplish-red. The gold mounting which slightly mimics the outline of the tourmaline is decorated with stippling and Florentine engraving...

A beautiful 18K white gold start pendant set with diamonds and sapphires from Chanel’s haute joaillerie “Comete” collection. Coco Chanel’s first jewelry designs were based on celestial themes and when the house re-entered the luxury jewelry business they reinvented many of her early designs. This star pendant features four round brilliant diamonds and three blue sapphires in different fancy cuts—square, marquise and pear. The diamonds are G color with VS1 clarity...

A rare pair of 18K yellow gold “Sputnik” earrings by H. Stern. This classic design features a golden dome studded with various colored gemstones including green tourmaline, pink tourmaline, aquamarine, amethyst, citrine and garnet. Each piece of Sputnik jewelry has a unique appearance depending on the combination of gemstones used and how they are arranged relative to one another. This pair of earrings has brightly-colored stones in a very pleasing arrangement...

A lovely vintage 14K yellow gold heart pendant pave-set with 62 round brilliant rubies by Tiffany & Co. The heart is slightly domed and shimmers in vibrant red. The workmanship is simply outstanding. The back has a folding bail and a pinstem so the piece can be worn as a pin or suspended on a chain. Marked “Tiffany & Co. 14K”.

Origin: America, ca. 1950. Condition: excellent, all original. Size: 7/8” x 15/16”. Weight: 6.7 grams. Approximate Total Gemstone Weight: 4.5 carats.

An extremely fine pair of 18K yellow gold half-hoop earrings channel-set with princess cut diamonds and square cut blue sapphires. Like all of Wayne’s jewelry, the gemstones are of the very top quality. The diamonds are F color and VVS2 clarity. The sapphires are extra-fine quality, with strongly saturated pure blue color and eye-clean clarity. The earrings have the original posts with omega backs...

An elegant pair of 18K yellow gold earrings by acclaimed designer Angela Cummings. The simple elongated oval is enhance with a center bulge that echos the oval outline. The surfaces have a matte finish for a warm glow. The style is very versatile and can be worn with jeans as easily as a cocktail dress. The backs retain their original omega clips and are marked “1987 Cummings 18K”.

Origin: America, 1987. Condition: excellent. Size: 1-3/16” x 7/8”. Weight: 20.8 grams.

An elegant pair of 18K yellow gold earrings with lapis lazuli inlay by Angela Cummings. The designer pioneered modern hardstone mosaic techniques when she was a lead designer at Tiffany & Co. She began working at Tiffany in 1967, but was not allowed to sign her own designs until 1974. These earrings are definitely her design, but are unsigned, indicating that they date from the period 1967-74. The earrings are marked “T&Co 18K”.

Origin: America, 1967-74. Size: 7/8” x 3/4"...

An elegant pair of 18K yellow gold earrings with mother-of-pearl inlay by Angela Cummings. The designer pioneered modern hardstone mosaic techniques when she was still lead designer at Tiffany & Co. After establishing her own luxury boutique, she continued to make similar designs under her own name. The earrings are marked “Cummings 18K”.

Origin: America, 1984-2003. Size: 1” x 3/4". Weight: 15.7 grams.

A stunning 19K yellow gold enhancer pendant intended for a thick chain or a strang of beads by Elizabeth Locke. The oval pendant encloses a gorgeous labradorite cabochon glowing with the billowy blue color of the best labradorite. The central stone is accented at compass points by round brilliant-cut blue sapphires. The sapphires have a slightly violet tint and exceptional brilliance. The bail is hinged so the pendant can be slipped over a thick chain or onto a strand of beads or pearls. The...

A classic 18K yellow gold link bracelet in the "Atlas" pattern by Tiffany & Co. The design is based on the Roman numerals from the clock over the doorway of Tiffany's NY flagship store. The clasp is signed by Tiffany and is dated 2003. This bracelet is currently available only in white gold and is priced at $3,700.

Origin: Italy, 2003. Condition: excellent, all original. Size: 5/16" wide; 7-1/8 long. Weight: 28.7 gr.

A lovely 18K yellow gold ring and pearl ring by Tiffany & Co. The split shank is enhanced with a chain-link motif at the crown and is set with a single 7.5 mm Akoya cultured pearl. The pearl is of very fine quality with white body color and silver overtones—the shading most favored by Tiffany. The luster is is very good and the surface is excellent condition. The interior of the shank is stamped “750” and “Tiffany & Co.”.

Origin: America, ca. 2000. Condition: excellent. Finger ...

Authentic Kieselstein Cord 18K yellow gold ring with Foo Dog motif atop rectangular carnelian stone and 4 diamond corner accents. Diamonds are estimated at 5 points each, for a tcw. of 20 points. The rectangular top of the ring measures 23mm wide, 17mm high. The ring sits a total of 10mm above the finger when worn. The back of the shank measures 5mm at its thinest, and is hallmarked with the maker's mark and 2001 on the outside. On the inside, under the head of the ring, hallmark reads "Kieselst...

Hammerman Brothers heavy 18K yellow gold triangular shaped pierced french back earrings circa 1970s, can be converted to cufflinks or non-pierced earrings. Width: approximately 7/8 inch Height: approx 7/8 inch Total weight: 16.5 dwt (25.6 grams total) Excellent condtion, beautiful patina that gives the appearance of a higher carat gold. Hallmarked 750 and HB c for Hammerman Brothers (see photos).

Hammerman Brothers heavy 18K yellow gold link bracelet made of 8 substantial links. Finely made, hallmarked 750 HB for Hammerman Brothers on tab, 750 on back of clasp. Hidden safety clasp. Excellent condition, beautiful patina gives appearance of higher carat gold. Width: approx 19mm (nearly .75 inch wide at its widest point) Length: 8 inches Weight: 73.4 dwt (114 grams). This bracelet can be made shorter-- to 7 inches-- by having one link removed by a competent jeweler. Matching earrings/CUF...

An extremely rare and very important 18K yellow gold ring set with a white pearl and a black pearl designed by Jean Dinh Van for Pierre Cardin. The design features a squared shank with a flat open gallery enclosing the two 7.0mm pearls. The pearls are drilled and rotate freely on their axes. The pearls are of very nice quality with superb luster and natural color. The back of the shank is fully stamped with French 18K gold hallmarks and the interior is signed "Pierre Cardin".

Jean Dinh Van...

A stunning 18K white gold and blue sapphire ring from the "Paris Nouvelle Vague" collection launched by Cartier in 1999. The collection was inspired by the dynamism of the City of Paris. The ring is designed as an unending double spiral of white gold with one loop extended into an oval. The band crosses over at the top and is set with a row of eleven vivid pure blue round brilliant-cut sapphires. The interior of the shank is signed "Cartier" and is marked "750" for 18K gold and "55" for the ...

An elegant 18K yellow gold bracelet in a modified curb link design, with alternating links set with round diamonds. Despite its substantial weight, the openness of the oval links creates a delicate appearance appropriate for daily casual wear. The added sparkle of the diamonds allows the bracelet to be worn for dressier occasions, too. The bracelet is signed “Cartier” and has the serial number “Paris 68219”.

Origin: France, ca. 1980. Condition: excellent. Size: 8-1/5” long; 5/16...

A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved amethyst in the “forma livre” (free form) style. Haroldo Burle Marx was particularly known for his use of large gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The color of the amethyst is deep purple and is nicely even throughout the stone. The gold surfaces are decorated with the fine florentined engraving typical of Marx’s pieces. The interior o...

A fine pair of modernist 18K yellow gold earclips by Burle Marx set with intricately carved amethysts in the “forma livre” (free form) style. Haroldo Burle Marx was particularly known for his use of large gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The color of the amethyst is deep purple and is nicely even throughout the stones. The gold surfaces are decorated with the fine florentined engraving typical of Marx’s pieces. The...

A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved bi-color watermelon tourmaline in the "forma livre" (free form) style. Haroldo Burle Marx was particularly known for his use of large gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The colors of the tourmaline are nicely contrasting an dhighly saturated. The gold surfaces are decorated with the fine florentined engraving typical of Marx's pieces. The interi...

A very nice 18K yellow gold Sputnik style ring by H Stern. The dome is bezel-set with round citrines, amethysts, green tourmalines, pink tourmalines, garnets and aquamarines. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of the jeweler’s native Brazil. It later came to be known as “Sputnik” for its resemblance to the spiky Soviet satellite lanched in 1957. Each ring has a unique appearance that depends on the particular select...

A stunning pair of 18K noble gold and natural fancy-colored diamond earrings from the Snowflake collection by H Stern. Each earring is composed of three snowflakes of graduated size, each set with round brilliant natural fancy-colored diamonds in subtle shades ranging from honey to pale golden brown. The diamonds average VS2 clarity. The earrings are made with 18K noble gold, a color somewhere between white gold and yellow gold that Stern created in 2001. Noble gold has the unique ability to...

An elegant and exceptionally high quality pair of earclips in 18K yellow gold set with diamonds and sapphires by A Péry et Cie. The earrings feature fields of pave-set round brilliant diamonds bisected by bands of rectangular cut blue sapphires. The diamonds are E color and VS2 clarity; the sapphires are medium-dark strong blue (B6/5) color and eye-clean clarity. Each earring is fully stamped with French 18K gold marks and is signed by A. Péry et Cie. The clips have holes, so posts could b...

A classic pair of "leopard spot" earrings in 18K yellow gold and mother-of-pearl by Angela Cummings. The earrings are signed on the reverse "Angela Cummings/750". Cummings pioneered the art of hardstone inlay as a designer for Tiffany & Co. After leaving Tiffany, she opened a luxury boutique in her own name.

Origin: America, 1984-2003. Condition: excellent; all original. Dimensions: 3/4 x 9/16". Weight: 10.8 gr.

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particularly selection and...

A very rare 18K yellow gold ring set with a black pearl designed by Jean Dinh Van for Pierre Cardin. The design has an overall trapezoidal shape. The shank is doubled at the back and then comes together into a single head at the front, where it grasps a single black pearl. The 6mm pearl has nice lustre and even, natural coloring. The back of the shank is fully stamped with the French goldsmith's mark and "18K". The interior is signed "Pierre Cardin".

Jean Dinh Van is one of the most impor...

An extremely rare 18K yellow gold bracelet in the Sputnik design by H Stern. The domes are bezel-set with round amethysts, aquamarines, citrines, green tourmalines, pink tourmalines and garnets. The design was created in the 1950s to showcase the range of colored gemstones available from Stern's mines in Brazil. It later came to be called "Sputnik" because of its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particular selec...

An important artist-designed 18K yellow gold and emerald ring by Maison Gennari of Paris. The ring is styled in the Art Nouveau taste, with a voluptuous mermaid surrounded by waves and seaweed. She leans against a pair of cabochon emeralds, whose green color reinforces the watery feeling of the design. The ring is stamped with French 18K marks and is signed by Maison Gennari.

Francois Gennari was a jeweler who collaborated with sculptors to create one-of-a-kind jewels. The works were displ...

An 18K yellow gold buckle ring enhanced with enamel in Gucci's trademark Kelly green. The simplicity of the design is classic Gucci. The interior of the shank is signed "Gucci 18" Italy".

Origin: Italy, ca. 1970. Dimensions: shank, 3/16" wide. Finger Size: 6-1/2. Weight: 3.4 grams.

An extremely rare 18K yellow gold bracelet in the Sputnik design by H Stern. The domes are bezel-set with round amethysts, aquamarines, citrines, green tourmalines, pink tourmalines and garnets. The design was created in the 1950s to showcase the range of colored gemstones available from Stern’s mines in Brazil. It later came to be called “Sputnik” because of its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particular...

A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved amethyst in the "forma livre" (free form) style. Haroldo Burle Marx was particularly known for his use of large gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The amethyst's deep purple color beautifully contrasts with the gold, which is worked with florentined engraving typical of Marx's pieces. Tested and guaranteed 18K. Marx did not always sign his p...

An unusual 18K yellow gold pendant in the Sputnik design by H Stern. Most examples of Sputnik jewelry are set with multi-colored gemstones, but occasionally a piece turns up with a single color—in the case amethyst. The design was created in the 1950s to highlight the colored gemstones available from the Stern mines in Brazil. It later earned the nickname “Sputnik” for its resemblance to the spike Soviet satellite launched in 1957. Tested and guaranteed 18K.

Origin: Brazil, ca. 1955....

A lovely 18K yellow gold Sputnik ring by H Stern. The dome is bezel-set iwth round citrines, amethysts, green and pink tourmalines, garnets and aquamarines. This design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. It last came to be called "Sputnik" because of its resemblance to the spiky Soviet satellite of launched in 1957. Each piece has a unique appearance depending on the particular selection and placement of the gemstones....

A classic 14K yellow gold “Tree of Life” pin by Mikimoto. This design is an enduring classic available only from the higher-end Mikimoto boutiques. The pin is set with twelve cultured pearls, ranging in size from 3.99 to 5.42mm. The pearls are of exceptional AA quality, with cream body color and pronounced rose overtones. The luster is very bright and the surfaces are nearly blemish-free. The back is marked 14K and has Mikimoto’s oyster shell signature. At Mikimoto’s Place Vendome boutiq...

A magnificent 18K gold, sapphire, emerald and ruby dome ring by David Webb. The textured gold is accented with rows of ropework bands punctuated with collet-set cabochon gemstones. The rich, intense colors of the stones beautifully accent the intricate gold. The extra-wide shank keeps this heavy statement ring from turning on the finger. The interior is signed "Webb 18K."

Origin: America, ca. 1970. Condition: excellent. Dimensions: 15/16" wide, tapering to 5/8" at the back. Finger Size:...

A vintage 18K yellow and white gold ring set with a .33 ct round brilliant cut diamond by Cartier. The colored gold is worked in a geometric design around the diamond. The diamond is graded G color, VS2 clarity. The ring has a substantial presence due to the width of the band. The interior is signed "Cartier", is marked "750", is dated "1989" and has the serial number "278QO.25".

Origin: America, 1989. Condition: excellent. Dimensions: 1/2" wide at front, tapering to 3/8" at back. Finge...

A wonderful 18K yellow gold cocktail ring featuring a "forma livre" (free-form) green tourmaline by the famed mid-century Brazilian designer Haroldo Burle Marx. Burle Marx invented the technique of carving and tumbling forma livre stones in 1948, and the style became his signature. The tourmaline has a deep green color with just a tiny hint of blue undertones, and is set in a florentined finished typical of Burle Marx's work. The interior of the shank is fully signed with Burle Marx's marks.

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particularly selection and...

A vintage 18K yellow gold and diamond ring in the "Tiffany Signature Series" created by Tiffany & Co. in 1992. The classic design is the form of three reeded bands studded with round brilliant-cut diamonds to create a sort of basketweave pattern. The diamonds are F/VVS1. The interior of the shank is marked "1992 Tiffany & Co. 750".

Tiffany Signature Series pieces were made with and without diamonds. Princess Diana purchased the earrings and bracelet, both without diamonds, in 1993.

Origi...

An elegant 18K yellow gold, Akoya pearl and diamond heart ring by Mikimoto. The diamond-studded heart is centered with a cluster of three 4.3-4.5mm pearls, graded as extra-fine AAA—the highest possible quality rating. They have fine luster and white body color with rosé overtones. The diamonds are E/VVS. The interior of the shank is stamped with Mikimoto's hallmark.

The ring is accompanied by a 2006 written Bailey, Banks & Biddle appraisal for $2150.

Origin: Japan, ca. 1990. Conditio...

An extraordinary modernist fringe necklace in 18K yellow gold and green tourmaline by the famed Brazilian modernist jeweler Haroldo Burle Marx. Burle Marx invented the technique of carving and tumbling forma livre ("free form") gemstones in 1948, and the technique became his signature. Most often, he used colorful stones native to Brazil—tourmalines, amethysts, aquamarines, citrines, etc. The tourmalines in this necklace are of the finest quality, with pure deep green coloring that con...

A vintage pair of 18K yellow gold and diamond ear clips in the "Tiffany Signature Series" created by Tiffany & Co. in 1992. The classic design is the in the form of reeded bands studded with round brilliant cut diamonds creating a sort of basket weave pattern. The diamonds are F/VVS1. The earrings were made without posts, but the clip is open, so posts could easily be added for extra security. The backs are marked "1992 Tiffany & Co. 750". They are presented in their original Tiffany box.

A rare pair of 18K yellow gold earclips in the Sputnik style by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, green and pink tourmalines, and garnets. This design was created in the 1950s to highlight the range of colored gemstones available from the mines of Stern's native Brazil. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance that relies on the particularly selection and...

A nice 18K gold Sputnik ring by H Stern, the dome bezel-set with nineteen round citrines, amethysts, pink and green tourmalines, garnets and aquamarines. This design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. Each piece has a unique appearance depending on the particular selection and placement of the stones. The gems in this ring tend toward richer autumnal colors with a lot of garnet-red, gold and medium-dark green. Stamped with...

A rare pair of large 18K yellow gold Sputnik earrings by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, peridot, green tourmalines, pink tourmalines, and garnets. The Sputnik design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance depending on the specific colors of th...

An extremely rare 18K yellow gold Sputnik bracelet by H Stern. The domes are bezel-set with round amethysts, citrines, aquamarines, peridot, green tourmalines, pink tourmalines, and garnets. The Sputnik design was created in the 1950s to highlight the range of colored gemstones available from Stern's Brazilian mines. It later came to be called "Sputnik" for its resemblance to the spiky Soviet satellite launched in 1957. Each piece has a unique appearance depending on the specific colors of the s...

A handsome 18K yellow gold ring by Cartier in the "Lanières" design, set with diamonds and rubies. The wide gold band is decorated in an engraved checkerboard pattern, with certain squares filled in with either a brilliant round cut diamond or a round cut ruby. The ring is set with stones on only one side, so it can be turned around and worn as an handsomely geometric wide gold band. The ring can be worn by either a man or woman. The diamonds are graded as F color, SI1 clarity; the rubies are o...

An elegant pair of classic Tiffany & Co. 18K yellow gold hoop earrings in a braided, twisted rope motif. The backs have posts with omega clips. The interior of each hoop is marked "Tiffany & Co. 1995 750".

Origin: America, 1995

Condition: excellent

Dimensions: 1" diameter, 1/4" width

Weight: 11.2 grams

A vintage pair of Tiffany & Co. 18K yellow gold earrings in a classic ribbed shrimp design. The earrings have posts and omega backs. Marked "T&C 750".

Origin: America, ca 1980

Condition: excellent

Dimensions: 1" long; 3/8" maximum width

Weight: 14.9 grams

An uncommon pair of large "X" earrings by Paloma Picasso for Tiffany & Co. One arm of each earring is worked in platinum and set with round brilliant diamonds (G/VS1). This design is uncommon in the large size and very difficult to find with diamonds. The earrings retain the original posts and omega clips. The earrings are marked by Tiffany, signed by Picasso and dated 1988.

Origin: America, ca 1988

Condition: excellent

Dimensions: 1-1/4" x 15/16"

Weight: 13.0 grams

Approximate Tot...

An 18K tri-color gold ring in the inconic "Double C" motif by Cartier, with a stack of yellow, white and rose gold bands terminating in yellow gold C's at the opening. The interior is marked with Cartier's signature, the serial number "F95043", and the design date "1997".

Origin: France, ca. 1997

Condition: excellent

Finger Size: 56 European/8 US (can be opened slightly)

Dimensions: band, 1/4" wide; C's, 5/16" wide

Weight: 5.2 grams

Vintage 18K yellow gold post-back earrings in the "Scribble" design by Paloma Picasso for Tiffany & Co. The design is sometimes called "Graffiti" or "Squiggle." The earrings were made in various sizes, with this pair being the most delicate and wearable. The backs are dated 1983 and are marked by Tiffany and Picasso.

• Origin: America, ca. 1983
• Excellent condition
• Dimensions: 5/8" x 1-7/16"
• Weight: 4.9 grams

A classic 18K yellow gold tapered band by Tiffany & Co. set at the crown with an oval cabochon citrine. The stone has very nice slightly orangey-yellow color and eye-clean clarity. The ring has a very solid feel and can be worn by either a man or woman. The interior of the shank is marked “750” for 18K and is signed by Tiffany. This ring is no longer available at Tiffany, but originally sold for $2,150.

• Italy, ca. 2000
• Very good condition; light wear to the shank
• Finger Size: 5

An 18K yellow gold and diamond necklace for the French luxury jeweler Fred of Paris. The design features a series of bar-shaped chain links interrupted by stations collet-set with round brilliant diamonds of G color and VVS2 clarity. The necklace is 16" long and is designed to curve gently around the lower neck. This length is very versatile for either evening or day wear. The necklace is signed "Fred" and is fully hallmarked with French 18K marks.

Fred Samuelson established his Paris bout...

A fascinating 18K yellow gold cocktail ring featuring a "forma livre" (free-form) amethyst by the famed mid-century Brazilian designer Haroldo Burle Marx. Burle Marx invented the technique of carving and tumbling forma livre stones in 1948, and the style became his signature. The amethyst chosen for this ring has distinct color zoning that creates an interesting interplay of deep and light purple coloring. The setting is finished in the florentine style typical of Burle Marx's work. The inter...

A very attractive 18K yellow gold ring set with an amethyst by the famed mid-century Brazilian designer Haroldo Burle Marx. Burle Marx is well-known for his free form designs, but his collaborations with his brother, the landscape architect Roberto Burle Marx, had a much more linear, abstract feel as in this piece. The amethyst at the center is of the very finest quality, with intensely purple color and excellent clarity. The gold is completed with the finely worked florentined finish typical...