Platinum Opal ring

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

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

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 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.

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 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

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

Metal Content: Platinum.Weight of Item: 8 grams.Size: Ring size 6, ring top - 16mm x 15mm.Gemstone: Diamonds. Opal 2.94( stone is slightly loose in the setting).Carat Weight: approx. 0.40ctw.Stamp: Pt

Vintage Platinum Band Opal Ring, 5.26g Total Wgt - Sz 5.5 ,90% Platinum + 10% Iridium Band (Acid Tested Band)

METAL: platinum. GEMSTONES: diamonds-0.38ctw, opal-0.63ct. MEASUREMENTS: ring size 4. Ring top is 11.5mm at widest point. MARKED: Pt900 038 063. WEIGHT: 6.9 grams.Gemstones have not been graded for co

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

Ring size 8 3/4, ring top is 26mm x 20mm. Set with opal gemstone - *has a fracture on one side, visible upon close inspection* and approx. .0.23ctw. Marked pt900,k18, 8.11,0.23. Weight - 10.5 grams.Ge

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

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

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

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

METAL: Platinum. GEMSTONES: Diamonds, Black opal - 25mm x 16.8mm. (opal has fine line scratches). MEASUREMENTS: Ring size 7. MARKED: LRW, PLAT. WEIGHT: 9.9 grams. Gemstones have not been graded for co

Metal Content: Platinum. Weight of Item: 13.4 grams.Size: Ring size 5.75, top - 21mm x 20mm. Gemstone: Opal, Diamonds. Carat Weight: 8.22ct, 1.55ctw. Stamp: pt900, 8.22, 1.55.

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