14mm Opal, 0.75ctw Diamond & Platinum Ring

Metal : Platinum Designer : Not Signed Gemstone : GIA natural black opal - 1.88ct, measures 12.03 x 9.31mm. Diamonds 0.67ctw. Measurements : Ring size 6, top is 14mm x 16mm. Marked: : pt

Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuring 19.4

A tremendous amount of color is exhibited through this GIA certified Australian opal. Placed in an exquisite hand made art deco platinum ring that has been designed with clean, white diamonds. Size 5-

Art Deco Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measu

Black Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal caboc

An oval opal cabochon with predominately green color play, approx. 7.0 cts. by formula, baguette and RBC diamond pierced shoulders, diamonds approx. .36 ct. TW. Ca. 1940. Unmarked. Size 7 1/2. 4.1 dwt

Title: GIA Natural Black Gray Opal Diamond Platinum Ring Description:A huge mid-century crossover ring with several white and clean diamonds and a large back or gray natural opal with no treatment! Th

Metal : Platinum Designer : Not Signed Gemstone : Fire opal 11.07ct, Diamonds 1.74ctw Measurements : Ring size 8, top is 21 x 18mm. Marked: : 11.07, 1.74, pt900. Weight: 16.9 grams

Metal Content: Platinum. Weight of Item: 7.4 g.Size: Ring size - 6.5, width f the top - 17mm.Gemstone: Opal, Diamond. Carat Weight:1.29ct, 0.71ctw.Stamp: Pt900, 1.293, 0.71.

Black opal triplet with diamond halo set in platinum. Size- 6.5 Approximate total diamond weight- 0.70 cttw Weight- 9.0 grams Condition- heavy scratches to opal. In-house shipping available within con

A gorgeous 900 platinum ring set with a 1.59-carat cabochon-cut opal center stone and surrounded by 0.08-carats of brilliant round cut diamonds. Six brilliant round-cut diamonds accent the 1.59-carat

13.26 Carat Oval Cabochon Black Opal, 2.26 Carat TW Eighteen Round Brilliant Cut Diamond and Platinum Ring. Opal with very good play of multi color. Diamonds E-F color, VVS-VS clarity. Stamped Pt900.

Black Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal caboc

5.90ct Black Opal, 2.00ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a 5.90ct (approximate) genuine black opal which displays an exq

3.50ct Black Opal, 2.00ctw SI1-SI2/G-H Diamond and Solid Platinum Ring - This ring is crafted of solid platinum and boasts an approximately 3.50ct black opal which displays beautiful flashes of green

Round cabochon opal, 13.46 x 8.24 mm., approx. 8 cts., flanked by diamond volute shoulders with onyx bullets, tapered hoop with diamond accents, approx. .60 ct. TW, ca. 1938. Size 9 1/2. 7.7 dwt.

5.85ct Black Opal, 0.85ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and is decorated with a 5.85ct (approximate) black opal which displays a blac

2.15ct Black Opal, 0.95ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 10.5mm round cut black opal which displays beautiful vivid flash

13.70ct Opal, 1.00ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 13.70ct (approximate) opal. This is a solid opal (not a doublet) and

7.80ct Mexican Jelly Opal, 0.70ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 7.80ct Mexican jelly opal. The opal is

3.70ct Black Opal, 0.95ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts a 3.70ct (approximate) oval shaped black opal which displays an exquisite

Opal, diamond and platinum ring Centering (1) oval opal cabochon, measuring approximately 19 X 13 mm, flanked by (4) full-cut diamonds, weighing a total of approximately 0.10 ct., set in a platinum mo

2.75ct Black Opal, 1.25ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 2.75ct oval-shaped black opal which displays an e

2.20ct Black Opal, 1.30ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 2.20ct black opal. The opal displays a beautif