A platinum opal and diamond ring. The oval opal

Platinum, Black Opal and Diamond Ring, center oval cabochon opal, wt. approx. 2.53 ct.; bezel and shoulders set with 44 round brilliant cut diamonds, total wt. approx. 0.68 ct.; size 6.75; GGA report.

A Platinum, Opal and Diamond Ring, consisting of one oval cabochon cut opal measuring approximately 12.80 x 10.45 x 4.00 mm and 15 round brilliant cut diamonds weighing approximately 1.50 carats total

Art Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I color

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

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

A PLATINUM, OPAL AND DIAMOND RING Centering an opal oval-shaped cabochon weighing approximately 4.10 carats encircled by round diamonds weighing approximately 0.75 carats, size 6 3/4

A PLATINUM, BLACK OPAL AND DIAMOND RING Centering a black opal oval-shaped double cabochon weighing approximately 4.50 carats encircled by round and tapered baguette diamonds weighing approximately 1.

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

Platinum, Opal and Diamond Rings (2) rings including a 1.68 carat oval cut cabochon opal flanked by baguette and marquise cut diamonds weighing approximately 0.55 carats total and a round cut orange d

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

Introducing the Platinum (PLAT) Natural Black Opal and Diamond Ring by Oscar Friedman, a symbol of exquisite beauty and luxury. This stunning ring features an oval cabochon-cut natural black opal gems

Lovely Platinum Opal Ring With Diamonds (Quality Assessment Included)Size (5.75) split tapered shank ring with an oval opal cabochon center stone (16.9 x 13.33 x 4.8mm - 7.02ct tgw - calculated - base

1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99

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

4.75 Carat Oval Opal, .32 Carat TW Round Brilliant Cut Diamond and Platinum Ring. Opal with good play of multi color. Diamonds F-G color, VS clarity. Stamped Pt900. Ring size 6. Ring top measures 3/4"

No Reserve Price!   Grading Results:___________Stone Type: Natural Fire-OpalShape: Oval CabochonCarat: 1.30 ctColor: Yellowish OrangeClarity: Eye Clean   Grading Results:_

No Reserve Price!   Grading Results:___________Stone Type: Natural Fire OpalShape: Oval CabochonCarat: 3.20 ctColor: OrangeClarity: Eye Clean   Grading Results:___________

2.90ct Opal, 0.85ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 2.90ct oval shaped opal. This opal displays a clean whi

Platinum cocktail ring, with oval 15.5 x 12.5mm opal, surrounded with approx. 0.20ct win diamonds . Opal is slightly loose in the setting. Ring size - 5.75, ring top - 17mm x 20mm. Marked 900pt. Weigh

2.45ct Opal, 0.25ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts a lovely 2.45ct oval shaped opal. The ring is then finished with approximately

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.

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

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

2.45ct Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts an approximately 2.45ct oval shaped black opal which displays a beautiful