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...

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...

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...

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 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...

An elegant 18K yellow gold ring set with a faceted amethyst by famed mid-century Brazilian designer Haroldo Burle Marx. The sculptural quality of the design is highlighted by the contrast of wire-brushed and polished surfaces surrounding the deep violet amethyst. The interior of the shank is fully signed "Burle Marx 18K" and has Brazilian hallmarks.

Burle Marx worked in Brazil, and his only international boutique was at the Watergate Hotel in Washington, DC...

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...

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 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...

A fine modernist 18K yellow gold ring by Burle Marx set with an intricately carved aquamarine in the “forma livre” (free form) style. Haroldo Burle Marx was particularly known for his use of Brazilian gemstones, often fashioned by carving or tumbling rather than faceting, a technique he invented in 1948. The aquamarine’s deep, dusky blue color contrasts beautifully with the gold, which is worked with florentined engraving typical of Burle Marx’s pieces. The shape of the stone also cre...

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 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 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...

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...

A classic pair of 18K yellow gold earclips in the ROUND design by Elsa Peretti for Tiffany & Co. Peretti’s designs transform even the simplest geometric shapes into beautiful and original jewelry. The round shapes are adorned only with an off-center round “dent” that flattens the sphere. The eassings can be dressed up or down for wear with nearly any outfit. The backs are omega clips with posts. The earrings are signed by Peretti and Tiffany, and are presented in their original dark blue T...

A very rare pair of 18K yellow gold Sputnik earrings by H Sern. The spheres are bezel-set with round amethysts, citrines, aquamarines, green tourmalines, pink tourmalines, and peridots. The spheres are suspended from a bar of three larger gemstones. 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 ...

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

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).