All Items : Estate Jewelry : Gold : Designer Signed : Pre 1970 item #1280845
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...

All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1243899
A stunning pair of 18K yellow gold earrings in a waterfall or cascade motif by Chaumet. Each earring is composed of five strands of bezel-set gemstones of varying lengths. They are designed so three of the strands appear to descend from the front of the earlobe and two strands from the back. Each of the gemstones is fully articulated so the strands swing freely when being worn. The cascade design is a more modern interpretation of a classic Art Deco style...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1373497
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...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 2000 item #282807 (stock #T 740)
ALL METAL IS 14K GOLD and it keeps going up! These earrings were made in a USA studio by and signed Mimi Dee, using sparkling faceted Lemon Quartz, red garnet and blue tiger eye. They suspend at 1 7/8" long. As always there are no duplicates. Please collect with confidence after reviewing the dozens of Trocadero verified testimonials then view all extreme close up images for more info as all Qs will be answered Here in lieu of email reply.
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1491027
Black Dog Antiques
$1,050.00
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.
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #714013 (stock #mla30723)
Large snake brooch made by Italian designer Piranesi. 18K black gold setting covered with amethysts, pink tourmaline, two approx 5 pt diamonds for eyes. The combination of these stones gives this brooch an overall stunning color, a real standout.
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1970 item #1350545
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...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1950 item #1491022
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.
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #856010 (stock #T 1674)
ALL METAL IS 14K GOLD. Removable hand wrought pendant enhancer and hand knotted necklace made up of 15mm rutilated quartz beads in pink tan tones and 8mm rhodochrosite beads of the misty dusty pink variety. ~ 16 3/4". Wt: 2.8 ounce or 81 grams of lush delish stones to compliment that brown or milky white neck. Please collect with confidence after reviewing the dozens of Trocadero verified feedbacks and view all images for full details as all Qs will be answered here in lieu of email reply.
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1369490
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

All Items : Estate Jewelry : Gold : Designer Signed : Pre 1970 item #1228669 (stock #1113003)
Gamut Plus Jewelry
$50.00
FREE US S/H
This fine pin measures 2” long. It displays 3 prong-set, scarab gems, budding from a leaf and stems. It is gold filled and marked BURT 1/20 12KT CASSELL. It is in excellent condition. Burt Cassell, a designer based in Rhode Island and New York City, made high quality jewelry during the 1950s through the mid 1960s. His gold filled designs, enhanced with semi-precious stones were mainly sold through jewelry stores and not department stores...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1970 item #952300
A stunning vintage 18K yellow gold ring featuring an outstanding 1.60-carat Burmese ruby surrounded with diamonds by Tiffany & Co. Tiffany has not sold rubies since 1999 due to the U.S. embargo of Myanmar, and the design of this ring suggests it was made in the 1950s or 60s. The inside of the shank is marked “Tiffany & Co.” and “18K”.The ring is presented in its original dark blue velvet, satin-lined ring box marked “Tiffany & Co.”...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1352146
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...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #940598
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...

All Items : Estate Jewelry : Gold : Designer Signed : Pre 1970 item #1306934
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...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1960 item #302975
Elegant signed Mikimoto brooch of 14K yellow gold with pearls. The pearls, ranging from 5 to 5.5mm are of the quality that only Mikimoto can produce. The body color is a bright white with silver overtones. The lustre is exceptional. The design is a sort of abstract flower basket design. The back is marked with Mikimoto's shell hallmark.

Origin: Japan, circa 1950s. Condition: excellent, all original. Size: 1-3/8" x 1-1/4". Weight: 7.0 grams.

All Items : Estate Jewelry : Gold : Designer Signed : Pre 1980 item #1191612
A stunning 18K white gold and blue sapphire ring from the "Paris Nouvelle Vague" collection launched by Cartier in 1999...
All Items : Estate Jewelry : Gold : Designer Signed : Pre 1950 item #926987
A magnificent pair of Retro leaf-shaped earrings and a matching brooch by Cartier. The leaves are worked in 18K yellow gold and are exquisitely detailed with delicate veining against a softly bloomed matte finish. The stems are worked in palladium, a metal from the platinum group that was used during World War II when platinum was banned from use in jewelry. The stems are bead-set with round single- and brilliant-cut diamonds. The diamonds are very good quality, as expected in vintage Cartie...