18 Karat Yellow Gold, Platinum, Diamond, and Onyx Ring

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 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.

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 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 Ring, Jabel, containing seven round brilliant cut diamonds weighing approximately 0.50 carats. Stamp: 18K JABEL 6 50. 2.10 dwts.

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 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, Rubellite Tourmaline and Diamond Ring, Molberg, containing one triangular mixed cut rubellite tourmaline weighing approximately 8.90 carats and 28 round brilliant cu

Tiffany & Co. Schlumberger 18K Gold, Platinum & Diamond RingA wide 6-row rope style band in 18 karat yellow gold accented by 4 stations of X's in a polished platinum. The X's are embellished with roun

Hamilton Rolex style 18 karat yellow gold, onyx and diamond gentlemen's ring. Ring Size: 8. Total Weight: 14 dwt.

A Demantoid Garnet and Diamond Ring. Platinum topped 18 karat yellow gold mounting contains one bezel set oval demantoid garnet which is approximately 2.08 carats. Garnet contains a horse tail inclusi

A gorgeous 18-karat yellow gold diamond ring. This ring features 2.68 carats of incredible round-cut diamonds accented by two onyxes. This ring is so nice. It looks like a David Webb piece. Stamped 18

.55CT center stone with about 1/2ct of accent stones. VSll quality stones. Set in an 18 karat yellow gold & platinum band. From a Miami Beach estate. Size 4. Total weight 59 grams. Shipping U.S. $20 p

18 karat yellow gold & diamond ring (size:6 1/4,5.4 grams)containing 33 full-cut diamond [G-I/SI] weighing approximately 0.90 carats total;14 karat yellow gold, onyx, & diamond ring (size:6 1/2,11.8 g

Including a platinum ring center bezel set with one emerald cut Emerald, approximately 0.77 carats, accented with two Old European cut Diamonds [G/VS], approximate total weight 0.14 carats, further en

Italian Retro Approx. 2.0 Carat Diamond, Onyx 18 Karat Yellow Gold Ring. 10.8 pennyweights. Size 7. Shipping $26.00

Vintage Forty Invisible Set Square Cut Diamond, Black Onyx and 18 Karat Yellow Gold Ring. Diamonds F-G color, VS1-VS2 clarity. Ring size 6-1/2. Approx. weight: 10.60 grams. Condition: Very good vintag

A beautiful 18-karat yellow gold onyx ring accented by 0.11 carats of diamonds. This ring features an onyx flower design with diamonds set in the center. Stamped D011, 750, K18, on the inside of the r

An 18-karat yellow gold onyx ring with approximately 0.04 carats of rubies and approximately 0.12 carats of brilliant-cut diamonds. The design of this watch is reminiscent of a Rolex President band. S

Cast in 18 karat yellow gold, the barrel form set with black onyx bisected by a band of diamonds, hallmarked 18k, size 4.25, 5.5 g, condition: good. Low Estimate: 150 High Estimate: 300

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

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