*An 18 Karat Yellow Gold, Platinum, Amethyst, Diamond

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, Amethyst and Diamond Ring, Richard Krementz, containing one square cabochon cut amethyst weighing approximately 7.86 carats and 40 round brilliant cut diamonds weigh

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 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, Amethyst and Diamond Ring, Jack Gutschneider & Co., containing one oval step cut amethyst measuring approximately 15.67 x 11.54 mm and 16 round brilliant cut diamonds weighing

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

comprising a brooch and pair of earrings; the brooch containing 25 spherical drilled bead cut natural amethysts at 8.50-9.10 mm each in diameter, 15 round mixed cut natural emeralds weighing approxima

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, 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

VK JUTOO BVLGARI 18 karat Yellow Gold Akoya Pearl Amethyst Diamond Emerald Necklace An outstanding Bulgari Akoya pearl amethyst diamond emerald 18k gold necklace. A sparky architectural pendant is per

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