Opal, Platinum and Diamond Ring

2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VS

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

Platinum Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct Ring

Platinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct Ring

Ladies antique Victorian era Opal and Diamond ring. Crafted of 14k gold and platinum. Set with a stunning Opal center stone measuring 11.6mm x 8.3mm. Surrounded by a halo of 18 European cut Diamonds w

Ring size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and teste

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

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

Platinum Opal Diamond Estate Ring Stock # 38216 Beautiful opal diamond estate ring fashioned in platinum. The 5.2 carat fiery opal is surrounded by 14 round brilliant cut diamonds weighing approximate

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-

Platinum Weight 8.79gr 1.2”x1.2” Diamond Approx 4ct Opal 10ct Ring Size 7

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

METAL: platinum. GEMSTONES: opal-5.86ct, diamonds-0.792ctw. MEASUREMENTS: ring size 6.25. Ring top is 17.5mm at widest oint. MARKED: Pt900 5.86 D 0.792. WEIGHT: 12 grams.Gemstones have not been graded

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

Black opal surrounded by baguette and brilliant cut diamonds in a floral motif. Opal 6.24 carats, diamonds 1.79 ctw. Ring measures 7/8 x 1 x 1 1/4 T. Weight 14g. Excellent condition.

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

Platinum Weight 10.18g Diamond Opal Ring Size 6.5 Measurements 1.23”x0.79” 

Platinum Weight 4.9gr Diamond Approx 0.35ct VS1-HÊ Opal Ring Size 7 1/4 Measurement 0.7Óx0.7Ó

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

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

Platinum Weight 11g Opal Approx. 10ct Diamond Approx.1.1ct Rosetta Ring Size 7 Measurements 0.96”x0.78

A platinum opal and diamond ring. The opal cabochon, with pave-set diamond shoulders. Approximate diameter of opal 10mms. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham. Ring size N 1

Platinum, Opal and Diamond Ring, mounted with a round cabochon-cut opal, with an approximate weight of 1.91 carats, two pear-cut and thirty-two baguette-cut diamonds, with an approximate total weight