A Platinum, 18 Karat Yellow Gold, Opal and Diamond

An Opal Ring. 18 karat yellow gold and platinum mounting contains one oval cabochon opal with three prong set diamonds on either side. Opal is approximately 5.40 carats Size: 6.5 Wt: 7.0 grams

Large Approx. 5.75 Carat Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Brooch. Diamonds E-F color, VVS clarity. Unsigned. Very good condition. Measures 2-1/2" x 1-3/4". Approx. weight

Vintage Approx. 4.0 Carat TW Seventy Baguette and Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Ring Setting. Diamonds D-E color, VVS-VS clarity. Ring octagonal opening approx. 11.5mm

GIA Certified 4.0 Carat Emerald Cut Natural Fancy Light Yellow Diamond, Platinum and 18 Karat Yellow Gold Engagement Ring. Yellow diamond VVS2 clarity. Accented with 1.50 carat TW two trapezoid shape

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

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.

Approx. 2.55 Carat Oval Cut Emerald, .80 Carat TW Two Trillion Cut Diamond, Platinum and 18 Karat Yellow Gold Ring. Emerald with vivid color. Diamonds G-H color, VS-SI clarity. Stamped Plat 18K. Ring

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 Opal & Diamond Ring. 18 karat yellow gold freeform mounting contains one bezel set boulder brown opal which weighs approximately 9.60 carats. Surrounding the opal are six prong set round brilliant

A Diamond and 14 Karat Yellow Gold Ring. Together with an opal, diamond and 18 karat yellow gold ring (size: 8.5) Diamond ring size: 7 Wt of both: 3.3 grams

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

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