* An Edwardian 18 Karat Yellow Gold, Platinum, Diamond

A romantic Edwardian Heart shape Aquamarine and Diamond Bow Pendant, made in Platinum on 18 karat yellow gold. Style Number: MM-2053Metal: Platinum & 18k Yellow Gold Gram Weight: 8.7 Stones: 12ct Hear

Made in the shape of a rosette, with late Edwardian and Early Art-Deco patterns. This versatile pendant-brooch was carefully crafted in solid yellow gold of 18 karats with platinum tops for the diamon

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

A Retro 18 Karat Yellow Gold, Platinum, Diamond and Emerald Wristwatch, Gubelin, the bezel and lugs containing 28 round brilliant cut diamonds weighing approximately 0.84 carats total and six round mi

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

An 18 Karat Yellow Gold, Platinum and Diamond Bracelet, Montreaux, unsigned, containing 72 round brilliant cut diamonds weighing approximately 2.55 carats total. Stamp: 18K. 101.80 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Ring, containing one old European cut diamond weighing approximately 1.24 carats, and two old European cut diamonds weighing approximately 1.60 carats tot

An 18 Karat Yellow Gold, Platinum and Diamond Ring, Montreaux, unsigned, containing 105 round brilliant cut diamonds weighing approximately 6.50 carats total. Stamp: 18K. 10.40 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Flower Clip Brooch, Italian, consisting of five stippled textured curved petals surmounted with platinum zigzag design plaques containing 63 round brillia

18 Kt. yellow gold and platinum ring with squared shank, center 4-prong set with one Round Brilliant cut Diamond [H/VS-2], approximately 0.68 ct., accented with 22 full cut round Diamonds [H/VS], appr

An 18 Karat Yellow Gold, Platinum and Diamond Ring, Kurt Wayne, Circa 1973, containing nine round brilliant cut diamonds weighing approximately 1.45 carats total. Stamp: KW 1973 24611 18K. 9.80 dwts.

An 18 Karat Yellow Gold, Platinum, Amethyst, Diamond and Ruby Articulated Turtle Pendant/Brooch, containing one oval mixed cut amethyst weighing approximately 23.91 carats, seven round brilliant cut d

An 18 Karat Yellow Gold, Platinum and Diamond Brooch, containing 15 round brilliant cut diamonds weighing approximately 0.75 carat total. Stamp: H 18K. 15.10 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Ring, containing five square step cut diamonds weighing approximately 0.50 carat total. Stamp: 18K. 9.50 dwts. Estimate $ 300-500

An 18 Karat Yellow Gold, Platinum and Diamond Squiggle Brooch, Paloma Picasso for Tiffany & Co., Circa 1983, containing 11 round single cut diamonds. Stamp: Paloma Picasso 1983 TIFFANY&CO 18K PLAT. 5.

An 18 Karat Yellow Gold, Platinum and Diamond Ring, Jabel, containing seven round brilliant cut diamonds weighing approximately 0.50 carats. Stamp: 18K JABEL 6 50. 2.10 dwts.

An Art Deco 18 Karat Yellow Gold, Platinum, Jade, Diamond and Seed Pearl Brooch, containing one pierced and carved jade bi measuring approximately 33.55 mm in diameter, six round single cut diamonds,

An 18 Karat Yellow Gold, Platinum, Ruby and Diamond Longchain Necklace, Montreaux, unsigned, consisting of a fancy curb link chain measuring approximately 10.00 mm wide with four platinum topped gold

An 18 Karat Yellow Gold, Platinum, Onyx and Diamond Ring, Montreaux, unsigned, containing one round cabochon cut onyx measuring approximately 16.60 mm in diameter and 20 round brilliant cut diamonds w

An 18 Karat Yellow Gold, Platinum, Amethyst and Diamond Ring, Richard Krementz, containing one square cabochon cut amethyst weighing approximately 7.86 carats and 40 round brilliant cut diamonds weigh

An Edwardian 18 Karat Yellow Gold, Sapphire and Diamond Ring, containing three round mixed cut sapphires measuring approximately 4.00 mm in diameter and two round old European cut diamonds measuring a

An 18 Karat Yellow Gold, Platinum, Iolite and Diamond Ring, Diana Vincent, containing a sugarloaf cut iolite measuring approximately 8.10 x 8.22 mm and 13 round brilliant cut diamonds. Stamp: PT 950 7

An 18 Karat Yellow Gold, Platinum, Synthetic Ruby, Diamond, Synthetic Sapphire, Cultured Pearl and Glass Sword Jabot, French, consisting of a sword and sheath jabot pin containing one cushion shape mi

An 18 Karat Yellow Gold, Platinum, Rubellite Tourmaline and Diamond Ring, Molberg, containing one triangular mixed cut rubellite tourmaline weighing approximately 8.90 carats and 28 round brilliant cu