18K Yellow Gold & Platinum Diamond and Onyx Pin

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

DESCRIPTION: An Art Deco Pin Brooch comprised of an 18k yellow gold foundations, inlaid with black Onyx, a platinum setting inset with Diamonds and a final Ruby accent. Stamped along the "750" Total W

This adorable brooch is crafted from 18k yellow gold with a polished finish featuring a handmade turtle, featuring small assorted shape gemstones, turquoise, Mother of pearl and black onyx, all mounte

18K Yellow Gold and Platinum. 0.09 Carat Diamond and Ruby. Exquisite LION pin. Tremendous work on the piece and superb detail. Perfect UNISEX jewelry.

Van Cleef & Arpels Lion Ebouriffe Diamond Emerald Onyx Large Yellow Gold Brooch For Sale; 18k Yellow Gold Diamond Emerald Onyx Lion Ebouriffe Large Brooch Pin by Van Cleef & Arpels. With 14 round bril

Michael Bondanza 14.00ctw Citrine, 2.00ctw VS2-SI1/F-G Diamond, Onyx & Solid Platinum/18K Yellow Gold Bracelet - This beautiful bracelet was made by award-winning designer Michael Bondanza, and was fi

Platinum and 18K Yellow gold bracelet. There is a two black onyx and Diamond motive connected with each other. Total carat weight of the Diamond is 1.5Ct. Length of the bracelet is 7â€. Hallmark: 1

Pair of David Webb Amethyst, Black Onyx, Black Enamel, Diamond, Platinum, 18k Yellow Gold Earrings. Each featuring a carved amethyst drop within a carved black onyx drop measuring approximately 35 x 2

8.75 Ct Diamond & Turquoise Pin Mounted with 18 Old Mine Diamonds D-E Color VVS-VS Clarity 18K Yellow Gold & Platinum Metal Weight: 23.30 gm. *approx. weight Item #: 6104

c. 1920-30, American, 18K yellow gold platinum toped filigree brooch featuring cushion cut sapphire with diamonds set in filigree, 2.75 in. L, 4.4 grams

Platinum and 18K yellow gold diamond sailboat pin. The figural pin is fashioned of yellow gold with open sails of diamond set platinum. Finished with a pin back. Measures 1" in length, 11/16" wide. Ma

Platinum & 18K Yellow Gold Ruby, Diamond & Pearl Bee Pin, approx 1 1/2"

Tiffany & Co. Schlumberger Apollo Pave Diamond Platinum Yellow Gold Pin Brooch Comes with C.O.A. ! Brand: Tiffany & Co. Collection: Schlumberger Style: Pin Brooch Condition: Pre-owned Diamond: 8 TCW M

Mid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.

ART DECO, DIAMOND AND ONYX BAR PIN Containing 10 single cut diamonds and 12 calibre cut onyx. Mounted in platinum and yellow gold. 2 1/2 inches long. Gross weight: 4.25 dwt.

Platinum-topped 18K yellow gold Art Deco bar pin featuring round and rose cut diamonds, milgrain detail, safety catch, 2 in. L, 3.9 grams

20.00ct Carved Colombian Emerald, 2.50ctw VS1-VS2/G-H Diamond & Solid Platinum/18K Yellow Gold Pendant W/Emerald & Onyx Accents Made for Princess on 20" Chain (Comes W/$57,000 Appraisal) - This magnif

Art Deco Pin Brooch crafted in 18k yellow Gold and Platinum, set with Rose cut Diamonds, Rubies & Tsavorites. Embellished with applications of Red Enamel. Measurements: 0.80 x 0.65 inches. Weight: 3.1

This is a lovely pair of vintage earring. They are crafted from 18k yellow gold featuring one earrings with a carved lilly flower from frosted crystal and the other in polished black onyx, the stem of

This is an authentic ring by David Yurman from the Albion collection, it is crafted from sterling silver with 18k yellow gold featuring an oval polished onyx at the top center in yellow gold bezel mou

This is a gorgeous ring by Charles Krypell, it is crafted from sterling silver with 18k yellow gold in a polished finish. The top has an oval dome shape set with an oval faceted cut black onyx gemston

VK ITOO DAVID WEBB 18 karat Yellow Gold Platinum Diamond Emerald Brooch A gorgeous vintage David Webb 18 karat gold brooch, featuring emerald and diamond. Designed as a swirled branch, this vintage Da

Designed as a heart, featuring sixty-four Old European-cut diamonds weighing a total of approximately 2.74 cttw., set in a platinum-topped, 18k yellow gold pin pendant mounting measuring approximately

Antique 18K Yellow Gold & Platinum Top Jabot Pin Weighing 4.5 grams set with 20 Diamonds weighing app. 0.25 Ct. Along with 4 Sapphires weighing app. 0.30 Ct. 2.25 inches in length