An exquisite mid-century modern 18K gold and diamond necklace by André Vassort for the Parisian jeweler O. J. Perrin. The necklace comprises 47 butterfly-shaped graduated links, each separately hinged so they lie perfectly flat around the neck. The links are worked in the heavily textured style favored by Vassort. The center 21 links are each studded with a diamond so delicately set that it appears to float over its link. The diamonds are graded as E color and VVS1 clarity...

A reversible gold pendant featuring a green and amber colored jade koi fish. The pendant is marked 14k Gump's. The gold shows some discoloration and would benefit from a buffing. There is also light wear with a very tiny nick on the gold edge of the jade side ( see first picture upper right). It measures 1" x 3/4"" and weighs 6.23gr.

Ca 1940 A signed, solid gold piece by Preformed Parts, manufacturer of Tiffany and Cartier jewelry. George Schuler design. The piece weighs a substantial 13.2 grams and measures 1-1/4" x 2". Similar designs by both companies may be found on the web.

This is a Vintage 14K bracelet in like new condition. It sat in a safe for decades. It's stamped 14K but because of the rich color it looks like it could be 18k. Has a second stamp we don't recognize (see image). There is an appraisal from 1997 when gold was $350 an oz., that gives it a value of $814. Weighs 18.5 grams and is 7 in length.

This is a Vintage Tricolor Bracelet in like new condition. It sat in a safe for decades. Has a Harp Israel Stamp and is stamped 14K. Also has a second designer stamp we don't recognize. There is an appraisal from 1997 that gives it a value of $1900.00. Weighs 31.5 grams and is about 7 or 7.5 inches in length.

An outstanding 18K gold pendant set with an amazing enameled alpine scene by Carlo Poluzzi (1899-1978), the greatest Swiss enamellist of the the 20th century. Poluzzi sometimes used the very difficult technique of applying translucent enamel over an engraved gold plate to produce brilliant sunrise or set effects as seen in the left side of the sky in this example...

A highly collectible and rare gold bracelet by Carl Baumeister ( Austria-1867-1922) marked CB 750 both on the loop of the charm and last link. The bracelet measures 7" x 1/8" and the 3-D charm of Castor and Pollux is 3/4" round. Total weight 11.4Gr.

A lovely 14K yellow gold 5mm cable twist bracelet with a gem-set station from the “Renaissance” collection by David Yurman. The square station features a square step-cut rhodolite garnet flanked with cabochon emeralds at the top and bottom. This design is one of the earlier pieces from the Renaissance collection, and is no longer in production. The open cuff is flexible and can be spread to fit nearly any size wrist. The interior of the bangle is signed “D...

A 14K yellow gold convertible ring with 6 different stones that can be changed when preferred. This size 5 ring features 6 different colours of semi-precious stones (includes black onyx, beryls, dyed mother of pearl - the pink stone looks like marble or rhodonite). The ring is stamped 14k with the company mark (as seen in photo) and 585 (also means 14K). They have the original 3" x 3-1/8" manufacturer's/retailers box, and possibly were sold in the 1970s-1980s...

A pair of 18K yellow gold clip-on earrings from Elsa Peretti’s “Comma” collection for Tiffany & Co. These are the large size, which are quite difficult to find. The design was inspired by the simple, sweeping curve of a comma. When worn, the arc mirrors the shape of the ear for a sleek, contemporary look. Each earring is marked by Tiffany and signed Peretti...

A pair of 18K yellow gold clip-on earrings in Keiselstein-Cord’s timeless “Rope Twist” design. These earrings were produced in at least two sizes, these being the. The surface is bloomed to create the semi-matte finish characteristic of the designer’s work. The earrings are fully marked and dated for 1982, making this among his earliest designs.

• Germany, 1982
• Condition: excellent
• Dimensions: 7/8” x 7/8” (22 x 22 mm)
• Weight: 35.5 grams

A classic pair of 18K yellow gold earclips by acclaimed jewelry designer Barry Kieselstein-Cord. The earrings are designed as rectangular plaques centering slightly domed centers surrounded by beaded borders. The surfaces have a hand-finished look and are bloomed for the slightly matte texture characteristic of the designer’s work. The earrings have substantial weight...

This 18 karat yellow gold retro Tiffany & Co. stick pin engraved with a gracefully leaping reindeer shows off the fanciest of Christmas cheer. The piece is signed Tiffany and marked 18k on the back. There are a few superficial scratches, as seen in the photos, but otherwise the piece is in excellent condition. The measurement of the oval disc is 18 millimeters by 13 millimeters.

A stunning pair of 18K yellow and white gold earrings by Faraone in cooperation with Tiffany & Co. The yellow gold half-hoops are accented with white gold "stems" that burst open flowers set with marquise cut rubies. The rubies have fine slightly purplish-red color saturation. Intact inclusions indicate that the rubies are unheated. Faraone was one of the oldest jewelers in Italy, serving as court jeweler to the Royal household and to luminaries such as Maria Callas...

A fabulous pair of mid-century 18K yellow gold and platinum earclips by Cartier set with brilliant round cut diamonds. The gold surfaces are cast in a rough texture that contrasts beautifully with the bright diamonds set in platinum. The diamonds, as expected of Cartier, are extremely fine quality (E color/VVS2 clarity). French jewelry became more flamboyant in the 1960s, as wartime restrictions eased...

An elegant pair of 18K gold earrings featuring large cultured mabe pearls surrounded by borders of brilliant round cut diamonds (E/F color; VVS2 clarity) and square cut blue sapphires of similar fine quality. The pearls have fine creamy body color with rose overtones and a high luster. Jewels by Spark were retailed by Neiman Marcus and other luxury purveyors...

A delightful Retro period 14K gold charm or pendant depicting "Thursday's Child" by William Ruser. The charm is finely detailed. According to the poem, Thursday's Child has "far to go" so Ruser depicted the naked child walking along a natural freshwater pearl carrying a traveling sack of belongings. The use of freshwater pearl is a classic Ruser touch. The child's eyes are set with blue sapphires. The back is signed and is marked "14K."

Ruser, the formost Beverly Hills jewelry of his time...

Joseff of Hollywood was better known as jeweler maker for the stars. This necklace is composed of five discs with raised bulldogs on each. The center disc has a larger dog. The brass discs are attached to a brass link chain. Joseff designed jewelry from the Deco era into the 1950's.

An exceptional, pierced yellow gold slip-on bangle with floral design. For a smaller wrist, the inner diameter is 2-3/8" and it weighs 8 grams. It appears to be hollow and shows light wear on the inside band with a few very faint scratches and a very, very tiny indentation. Marked 14kt along with the Sloan hallmark.

A fine vintage Tiffany & Co stylized leaf brooch worked in 18K gold and set with sapphires and diamonds. The elegant form is created from wirework that gives the brooch a light feeling despite its generous size. Tiffany employed this gold wire construction to simulate feathers, animal fur and other natural textures. The gems are prong set above the gold background for added dimension. The diamonds are G color, VS1 clarity; the sapphires have medium-dark, strongly saturated blue violet-blue color...

A classic 1960's Tiffany & Co. stylized floral brooch in 18K yellow gold set with sapphires and diamonds. The cluster of four blossoms are heavily decorated with hammered and carved details accented with clusters of round brilliant cut diamonds and blue sapphires. Though the brooch is bold, the spikiness of the design keeps the overall design from feeling too massive. The diamonds are I color, SI1 clarity and the sapphires are medium, vivid blue color. The back is marked "18K Tiffany & Co."

A delightful vintage 14K yellow gold disc charm or pendant by Tiffany & Co. The center features a "Tree of Life" bedecked with gemstone flowers. Starting with the diamond in the center and spiraling outward in a clockwise direction, the first letters of each gemstone's name—Diamond, Emerald, Amethyst, Ruby, Emerald, Sapphire and Topaz—spell "DEAREST." The tree is enclosed in a open twist border, in turn surrounded by a broad pleated border. "Tree of Life" charms were usually set with the bir...

An elegant vintage Tiffany & Co. diamond ring from the "Vannerie" collection. The domed band is worked in a woven motif bisected with a slash of round brilliant cut diamonds. The diamonds are graded G/VVS2. The interior of the shank is marked "Tiffany & Co. 750 1989."

• Origin: America, 1989
• Dimensions: 5/8" wide at front tapering to 1/4" at back
• Finger Size: 8-1/4
• Weight: 13.3 grams
• Approximate Total Diamond Weight: .75 carat.
• Condition: excellent; t...

A classic 18K gold “Open Heart” in the large size by Tiffany & Co. Created by Elsa Peretti, this design became one of Tiffany’s most popular and identifiable pieces. This pendant is the second largest of the four sizes available. The back of the pendant is signed “Elsa Peretti “ and is fully hallmarked by Tiffany & Co. This piece currently retails for $1925.

NOTE: The pendant is shown on a 16" 14K gold chain available for an additional $125.

• Origin: America, ca. 2000.

The 18K yellow gold anchor pendant shines as it dangles from the steel cable bar-link chain with gold accents. The combination of materials makes the necklace appropriate for wear in the day or evening. The design was part of the "Flavia" line from the renowned Italian jeweler, UnoAErre The pendant is marked "Flavia" and is stamped with Italian hallmarks and the maker's mark. The clasp is also hallmarked and bears the retailer's mark for Carrazza, a luxury jeweler in the yacht basin area of Ft. ...

A beautiful pair of 18K yellow gold and diamond earrings by Gucci. The earrings are designed in a sort of “knitted” ropetwist pattern, the tops sprinkled with round single cut diamonds. The stones are graded as I color and SI1 clarity. Both earrings are marked “18Ct Italy” and signed “Gucci”. The earrings retain their original posts and omega clips, and are presented in their original fitted Gucci box.

Origin: Italy, ca. 1960. Condition: excellent, all original. Size: 11/16” ...

A vintage 18K yellow gold turtle brooch set with rubies by Cartier. The turtle’s shell is formed as interwoven wide ribbons of textured gold, the intersections prong-set with round brilliant-cut rubies. The eyes are also set with small rubies. Parts of the gold have a Florentine finish while others are smooth, creating very pleasing contrast. The rubies are of very fine quality, with strongly saturated color and eye-clean clarity. The reverse side of the pin is worked in a trellis pattern. The...

A classic 14K yellow gold "Tree of Life" pin by Mikimoto. This design is an enduring classic available only from the higher-level Mikimoto boutiques. The pin is set with twelve cultured pearls, ranging in size from 4.89 to 6.79 mm. The pearls are of exceptional AAA quality, with cream body color, rose overtones, a bright luster. The back is marked with Mikimoto's oyster shell signature.

• Japan, circa 2010
• Excellent condition
• 1 1/4" x 1 11/16"
• 8.2 grams

A classic pair of vintage Tiffany & Co. 18K yellow gold triple hoop earrings. The earrings are large, but have a light appearance due to the styling. The backs have hinged omega clips, allowing posts to be added, if desired. The backs are marked "Tiffany & Co. 18K."

Origin: America, ca 1980

Condition: excellent.

Dimensions: 1-1/8" x 1-1/16"

Weight: 16.5 grams

A lovely vintage 18K yellow gold and diamond ring by Boucheron. The top of the band has a quilted ("matelassé) pattern accented with crossed bands set with brilliant round-cut diamonds (E/VVS2). The setting is heavy and quite comfortable to wear. The interior of the shank is signed “Boucheron” and is marked “Or 750 / 885513912”. The outside of the shank is stamped with the “tete d’aigle” mark and with Boucheron’s maker’s mark.

Origin: France, ca. 1990

Condition: excellent

A fine example of some of the best enameled silver produced by David-Andersen in the late 1950s. This brooch represents "Spring" from the "Four Seasons" line designed for David-Andersen by Thorbjorn Lie-Jorgensen in the late 1950s. The set of designs represent an abstract aerial views of the same landscape in each of the four seasons. "Spring" is worked in lush shades of turquoise, teal blue, gold and brown. The back, with the original patina, retains the original pinstem and c-clasp, and is mar...

A superb modernist bracelet in 18K yellow gold set with multi-colored gemstones by Bruno Guidi. Guidi was the lead designer and chief goldsmith the the acclaimed Brazilian jeweler Haroldo Burle Marx for more than 30 years. Each piece was created entirely by hand starting from a piece of gold, without the aid of any molds or pre-made elements. In this bracelet, each of the ten links features a colorful cabochon gemstone native to Brazil—amethyst; citrine; moonstone; and blue, pink and green ...

An exceptional Boucheron cocktail ring set with nine round brilliant diamonds and thirteen round emeralds. The diamonds are graded as E/VVS1 and the emeralds have intensely saturated medium-dark green color and very good clarity. The emeralds are characteristic of stones from Colombia. The glamorous marquise shape is generously sized, covering the entire first portion of the finger. The stones are clustered tightly together so almost no gold shows from the top, and layered so the crown rises...

This exceptional rope and tassel broach is made of 18Kt yellow gold. One tassel is decorated by ten full cut diamonds and the other with 10 round natural sapphires. The 2” tall and 1 ¾” wide broach is hallmarked “Tiffany & Co, 18Kt, Italy”.

Classic, signed Tiffany & Co. 18Kt yellow gold solid link bracelet with a heart shaped tag. The bracelet is 7 ½ long and marked 750 (18Kt) on the clasp and the heart tag. The links of the bracelet are ¼” wide and the heart tag measures 1” X 7/8”.

A classic Mikimoto ring featuring a cluster of 6.3mm pearls crowned with a star of six round brilliant diamonds of G color and VVS2 clarity. The pearls have fine luster, with cream body color and rose overtones, and are graded AA. The shank is stamped with Mikimoto’s hallmark and for 18K gold.

Origin: Japan, ca. 1980. Condition: excellent. Dimensions: crown, 5/8” diameter. Finger Size: 7. Weight: 5.4 gr. Approximate Total Diamond Weight: .18 ct.