Platinum Setting with 2.0ct Opal and 0.38ct Diamond

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

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

A platinum setting with alternating diamonds and emeralds: 4 diamonds at 0.20ct each, and three 2.5mm square emeralds. Ring size 6-1/2. 3.1 dwt.

Includes a platinum ring with raised setting displaying a central pearl measuring approx. 6.6mm with (2) diamond accents - stamped, "Platinum", ring size - 6 1/2; a 14kt white gold ring with

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

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

Custom platinum and diamond split prong setting featuring a polished firey opal, 13mm in diameter, seventeen millgrain set diamonds, appx. 0.68 ctw., size 6 1/2.

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

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

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

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

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

18K Yellow Gold Platinum Weight 5gr Opal Approx 0.30 Ct Diamond Approx 0.35ct Retro Brooch Measurements 1.5”X0.7”

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

The Tiffany & Co. Streamerica Platinum 0.20 ct Diamond Band Ring shows us that structured metal and white diamonds go well together. This ring features a streamlined design from the 1930s. Designed wi

A vintage platinum Victorian style pendant with an approximately 10mm x 5mm marquis center opal and two approximately 5mm round opals, complemented by old European cut diamonds weighing approximately

Drop ear clips, total diamond weight approx. .50carats, total gross weight approx. 5.95dwts. 1-1/2"l.

Estate Platinum Opal & Diamond Cocktail Ring. Hallmarked. Having a cabochon cut opal at center with small white diamonds. Ring size 6.5, can be resized. Weighs approximately 3.1 grams inclusive.

Approx. 1.72 ct. oval brilliant cut diamond with its original platinum setting. Diamond measures 9.16 x 6.91 x 4.10mm. Color D. VS1 clarity. Platinum weight 2.2 dwt. Comes with original Harry Winston

DESCRIPTION: A Platinum, diamond and ruby money clip. Features rubies and diamonds on a platinum setting, diamond is .25 ct of VS clarity. Finished with a .30 ct single diamond on front. Weight: 9.8 d

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