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...

Spectacular large 9-kt yellow gold, oval shell cameo brooch, 19th century, probably English. Centered in a corded bezel frame is a finely carved depiction of Demeter with her lion and wheat sheaf. Shell is brown/pink, "C" clasp. Length: 2 1/4". Weight: 21 grams. Excellent condition.

An elegant pair of 18K yellow gold earrings in Tiffany & Co.’s classic “Signature” pattern. The simple x-shaped design can be worn with everything from jeans to a cocktail dress. These earrings were produced in several sizes, these being the largest. The design is no longer in production and the large earrings are very difficult to find. The earrings retain their original posts and omega clips...

These lovely, 18K gold, Tiffany & Company earrings are designed by Paloma Picasso. They are the classic "Scribble" design and measure just under 1 1/2" x 5/8" (at their widest point). They are each marked, "1983 Tiffany & Co 18K" and signed "Paloma Picasso." The earring backs are also marked with a maker's mark and "18K." They are in brand new condition and come complete in the original Tiffany & Co., velvet box, which is inside the classic, blue Tiffany & Co. cardboard 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...

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...

A beautiful and very heavy 18K yellow gold bracelet set with blue sapphires by Tiffany & Co. Each link is designed as a pair of ropetwist arches joined by a prong-set round sapphire. The links are hinged, so the bracelet is flexible and comfortable to wear. The sapphires are medium dark blue with moderately strong saturation, and show no indications of heat treatment. This classic design would look good with a business suit, a cocktail dress or jeans...

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...

Luminous pair of Victorian 14K yellow gold dangle earrings, nicely detailed with a raised wire design on a textured background, pierced French wire closure, circa 1890, stamped 14K. Measures approximately 1 1/2" long. Wt: 8 grams. Condition is like new.

A striking 1950s extra-large bracelet charm by Van Cleef & Arpels. The charm is a fully-functional roulette wheel studded along the edge with collet-set round cut sapphires and emeralds. Under crystal dome, a tiny ruby bead serves as the marble. The moveable handle spins the dial, causing the ruby to skip along until if falls into one of the depressions on the wheel...

An incredible Victorian 14K yellow gold watch fob in the form of an 1880’s style oil derrick. The details are amazing, complete with a pump house, a suspended drilling bit inside the derrick and a collection vat. Even spare parts lie around on the base. The entire piece is completely handworked and was almost certainly a special order and was probably made shortly after the first commercial oil well was drilled in Pennsylvania around 1860. Figural fobs of this quality are extremely rare...

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...

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 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 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 colorful pair of 14K yellow gold earrings by popular New York jewelry designer Sonia Bitton, whose collections have been sold at Neiman Marcus and Saks Fifth Avenue. The earrings feature round cut amethysts, citrines, peridots, blue zircons, pink tourmalines and garnets, each set in a movable bezel. When being worn, the bezels move freely on their framework, allowing the gems to shimmer. The back are signed “Sonia B” and are marked “14K”.

Origin: America, ca. 2000. Size: 13/16”...

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 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 ...