Catalog: Estate Jewelry: Gold: Designer Signed (162)

A colorful 18K gold and gemstone ring from the “Rainbow Collection” by H Stern. Made in the 1980’s, the collection was intended to show off the variety of colored gemstones available from Stern’s Brazilian mines and also the artistry of the company’s designers in the subtly graduated colors that reproduce the colors of the rainbow spectrum. The selection includes amethyst, iolite, green tourmaline, peridot, citrine, pink tourmaline and garnet. The interior of the shank is marked “750” for 18K and bears Stern’s hallmark.

NOTE: We are also offering a matching pair of earrings (Item #1381057).

• Origin: Brazil, ca 1985.
• Dimensions: 1/4" wide at front, tapering to 1/8” at the back.
• Finger Size: 7 1/2.
• Weight: 5.5 grams
• Approximate Total Gemstone Weight: not accurately measurable due to setting, but estimated around 5 carats
• Condition: excellent; all original.

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. Each earring is marked "750 M Good".

Origin: America, ca. 1987. Size: 2-7/8" long. Weight: 8.2 gr.

A lovely older Cartier 18K yellow and white gold ring set with a .347-carat round brilliant diamond. The design, a wide tapered band, combines the two colors of gold in a very nice geometric design that perfectly complements the single diamond collet-set in the middle. The diamond is of fine quality, estimated at G color, VS clarity. The ring has a substantial appearance and could be worn by either a woman or man (though the size is a bit on the small side). The interior of the shank is signed “Cartier”, is dated “1989” and has a serial number.

Weight: 11.1 grams. Approximate Diamond Weight: .347 carat. Finger Size: 5-1/4. Size: 9/16” wide, tapering to 7/32”.

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. The original posts were removed for wear only with the omega clips, but could easily be replaced. The backs are marked "18" and are signed "Spark."

• Origin: America, ca 1980
• Condition: excellent
• Dimensions: 13/16" x 13/16"
• Weight: 21.6 grams
• Approximate Total Gemstone Weight: diamond, 1.6 carats; sapphire, 2.0 carats

A wonderful and very rare pair of signed Eva Segoura ladybug earrings worked in 18K yellow gold, and set with hematite and rubies. Segoura was a very exclusive Parisian jewelry designer at 20 rue du Faubourg St-Honoré for a short time. Many of her jewels were rather whimsical and featured animals such as ladybugs, caterpillars, mice and blowfish. Segoura made ladybug earrings in several variations using different precious and semi-precious stones. These ladybug earrings have bodies of carved hematite set in gold frames. The sides of each ladybug are adorned with collet-set cabochon rubies, as are the eyes. The little creatures are completed with alert antennae and ball feet. The clips are marked with the maker’s mark, the French 18K guarantee mark, and a partially obscured serial number. The backs of the frames are signed “Eva Segoura” in script.

Origin: France, ca. 1980. Condition: excellent, all original. Size: 1-1/4” x 15/16”. Weight: 28.25 grams. Approximate Total Gemstone Weight: ruby, 2.15 carats.

A stunning Tiffany & Co. ring by Jean Schlumberger, one of the great jewelry designers of the 20th century. He was Tiffany’s lead designer in the 1960s and was charged with creating nearly all of the company’s most exclusive pieces. His designs typically relied on naturalistic motifs. Here, two leaves are worked in platinum and studded with round brilliant-cut diamonds. The stems of the leaves are worked in 18K yellow gold and meld into the double shank that continues the organic motif. The diamonds are of very fine quality, VS clarity, G color. Schlumberger created several pieces using this motif, including the “Three Leaves Earrings” (currently available from Tiffany at $13,500), the “Five Leaves Brooch” ($16,500), the “Three Leaves Sapphire Earclips” ($62,000). The “Two Leaves Ring” currently retails for $4,400.

Origin: America. Condition: excellent, all original. Finger Size: 6-1/2. Size: 5/8” wide. Weight: 9.0 grams. Approximate Total Diamond Weight: .51 carat.

A colorful 18K gold and gemstone ring from the “Rainbow Collection” by H Stern. Created in the 1980’s, the collection was intended to show off the variety of colored gemstones available from Stern’s Brazilian mines and also the artistry of the company’s designers in the subtly graduated colors that reproduce the colors of the rainbow spectrum. The selection includes garnet, amethyst, citrine, peridot, and blue topaz. The interior of the shank is marked “750” for 18K and bears Stern’s hallmark. One side of the shank is engraved with a star centering a small diamond, also a Stern branding.

• Origin: Brazil, ca 1985.
• Dimensions: 7/32" wide at front, tapering to 5/32” at the back.
• Finger Size: 7 1/2.
• Weight: 4.7 grams
• Approximate Total Gemstone Weight:2.14 carats.
• Condition: excellent; all original.

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. Finger Size: 5-1/2. Weight: 11.1 gr. Approximate Total Diamond Weight: .33 ct.

A pair of 18K yellow gold earclips in Barry Kieselstein-Cord’s classic “Caviar” pattern. Introduced in the early 1980’s, this design takes its name from the row of gold spheres the run through the center of the scroll. The design was used for a several styles of earrings, as well as bracelets and other jewels. These earrings are a smaller style and are more comfortable to wear than many of the other pieces. The omega clips are original, but posts could be added easily. Each earring is signed and dated 1981.

Origin: America, 1981. Condition: excellent, all original. Dimensions: 13/16” x 13/16”. Weight: 19.5 grams.

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. Yurman 14K”.

Origin: America. Size: 5mm diameter. Weight: 14.3 grams. Approximate Total Gemstone Weight: garnet, .79 ct; emerald, .26 ct.

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 “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. Sputnik jewelry was created by H. Stern, Brazil’s largest dealer in colored gemstones, and was quite popular in the early years of the space race because of its perceived resemblance to the famed Russian satellite. The earrings have omega clips without posts (posts could easily be added). The earrings were purchased in 1996 at the H. Stern boutique on Fifth Avenue, New York. They retain their original presentation and gift boxes. The earrings are tested and guaranteed 18K gold; the findings are 14K.

Origin: Brazil, ca. 1996. Condition: excellent. Size: 3/4” diameter. Weight: 6.0 grams. Approximate Total Gemstone Weight: 3.34 cts.

Gorgeous pair of signed Mikimoto 18K yellow gold, pearl and diamond earrings. Each earring features a cluster of five 6.0—6.5 mm pearls, topped with a golden bow and sprinkled with prong-set round brilliant-cut diamonds. The pearls have white body color with strong rosé overtones. The luster is bright and the surfaces are free of blemishes. The pearls are extra fine AAA—in other words, the absolute finest quality available anywhere in the world. The diamonds are of equally fine quality, rated at E color, VVS clarity. The backs have posts and omega clips. Each earring is marked with Mikimoto’s shell hallmark and “750” for 18K. The earrings are presented in their original Mikimoto hinged box, along with the original Mikimoto gift box.

The earrings are accompanied by an August 2006 written appraisal for $6,500 by Bailey, Banks & Biddle’s Mikimoto specialist appraiser.

Origin: Japan, ca. 1980. Condition: excellent, all original. Size: 1-3/32” x 15/16”. Weight: 16.5 grams. Approximate Total Diamond Weight: .25 carat.

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. The backs are fully signed and are dated 1986.

• Origin: America, 1986
• Condition: excellent, all original
• Dimensions: 15/16” x 11/16”
• Weight: 15.5 grams

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 shift color, either toward yellow or toward white, depending on what it’s being worn with. It has a warm tone that looks particularly good with the colored diamonds. The back of each earring, as well as the clutches, are marked for 18K gold and are signed by H Stern. The earrings currently retail for $7500 at H Stern.

Origin: Brazil, ca. 2013. Condition: excellent. Dimensions: length, 48 mm (1-7/8 in); largest snowflake diameter, 21 mm (13/16 in). Weight: 13.3 gr. Approximate Total Diamond Weight: 1.76 ct.

Superb Mikimoto brooch in the shape of a harp. The harp’s sounding board is set with a row of ten fine AA pearls graduating from 3.3 to 5.8 millimeters, and the strings are studded with round brilliant-cut diamonds. The neck and column, both worked in gold, are beautifully detailed. The pearls are of exceptional quality with light cream body color and rosé overtones. The luster is very bright and the pearls are well matched. The diamonds are SI1/2 clarity and G/H color. Mikimto figural brooches are very rare, and this example is nearly certainly a custom-made piece. The back is marked with Mikimoto’s hallmark and “750” for 18K gold. The brooch is accompanied by a March 2006 written appraisal from the Mikimoto specialist at Bailey, Banks & Biddle for $3,250.

Origin: Japan, ca. 1990. Condition: excellent, all original. Size: 2-1/32” x 1-5/32”. Weight: 11.8 grams. Approximate Total Diamond Weight: .12 carat.

A stunning platinum and 18K yellow gold eternity band set with diamonds in the "Estelle" design by Van Cleef & Arpels. These rings are made only by special order, and the wait time is a minimum of three months. The classic design is named for Estelle Arpels whose 1896 marriage to Alfred Van Cleef gave rise to the luxury jewelry house. The 10-point brilliant cut round diamonds are bead-set in a platinum band flanked on either side by a beaded yellow gold edge. As expected of VCA, the diamonds are of superb quality, estimated at F color, VVS2 clarity. The eternity band design is a classic and can be worn as a wedding ring or simply as a designer ring. The interior of the band is signed "VCA NY" and has the serial number "5V263.6

VCA quotes a price for Estelle rings only at the time of order, and the price fluctuates depending upon the carat weight , which in turn fluctuates based on the size of the ring and client's wishes. The Estelle ring set with slightly less than 1.0 carats last retailed at $6,500. A 2-carat would be roughly in the $12,000 range.

Origin: America, ca. 1990. Condition: excellent. Finger Size: 7-3/4. Size: 1/4" wide. Weight: 7.9 grams. Approximate Total Diamond Weight: 2.1 carats.

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 Tiffany box. Tiffany recently brought back this design and the earrings retail for $3200.

• Origin: America, ca 1990
• Condition: excellent
• Dimensions: 15/16” (24mm) diameter
• Weight: 16.5 grams