Sold2022Platinum Opal Diamond Rosetta RingPlatinum Weight 11g Opal Approx. 10ct Diamond Approx.1.1ct Rosetta Ring Size 7 Measurements 0.96”x0.78See Sold Price
Sold2018Art Deco Platinum, Opal & Diamond RingArt 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 colorSee Sold Price
Sold2022Platinum Opal Diamond RingPlatinum Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct RingSee Sold Price
20211920’s Platinum Diamond Rosetta Ring1920’s Platinum Weight 6.94g Diamond Approx. 2ct SI1 VS1 K-H Blue Stone Rosetta Ring Size 7.5 Measurements 1”x0.68”See Sold Price
Sold20201920' 18k & Platinum Diamond Rosetta Ring1920' 18k Yellow Gold & Platinum Weight 4gr Old Miner Diamond Approx 2ct SI1 K Measurement 0.5”x0.5” Rosetta Ring Size 7.75See Sold Price
Sold2023Platinum Opal Diamond RingPlatinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct RingSee Sold Price
Sold2016Ladies Victorian Era 14k Platinum Opal & Diamond RingLadies 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 wSee Sold Price
Sold2016Antique 18k Gold Platinum Opal Diamond RingRing 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 testeSee Sold Price
Sold2018A Platinum, Opal and Diamond Ring, 5.85 dwts.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 totalSee Sold Price
Sold2020Platinum Opal Diamond Estate RingPlatinum 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 approximateSee Sold Price
Sold202218k Platinum Ruby Diamond Rosetta Ring18k Platinum Weight 4.3g Ruby Approx. 1.04ct Diamond Approx. 1.2ct  Rosetta Ring size 6 Measurements 0.6”x0.73”See Sold Price
Sold20161970's Platinum Black Opal & Diamond Ring1970'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. 5.99See Sold Price
Sold202218k Platinum Emerald Diamond Rosetta Ring18k Platinum Weight 3.1g Emerald Approx. 0.80ct  Diamond Approx. 1ct  Rosetta Ring Size 6.25 Measurements 0.46”x0.71”See Sold Price
Sold2020Platinum and Diamonds Rosetta RingCirca 1970. A centrer Full Cut Diamond. Approx. 0.90 CT. Color:L. Clarity: IS1. Round and Pear Diamonds TW Approx. 2 CT. Platinum Rosetta Ring.Color:L. Clarity: VS1. Ring size: 9. Weight: 5g. Reserve:See Sold Price
Sold2022A PLATINUM, OPAL AND DIAMOND RINGA 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 3/4See Sold Price
Sold2019Platinum 8.22ct Opal Diamond RingMetal 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.See Sold Price
Sold2016A platinum opal and diamond ring. The opal cabochon,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 1See Sold Price
Sold2016Platinum, Opal and Diamond RingPlatinum, 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 weightSee Sold Price
Sold2021A Platinum Opal and Diamond Ring,A Platinum Opal and Diamond Ring,Set with one cabochon cut opal approx; 15.60mm x 11.4mm x 5mm. Also set with twenty-eight old European cut diamonds, each approx .01-.03pts. Ring size: 7 1/2 Approx. wSee Sold Price
Sold2021Victorian Platinum Gold Opal Diamond RingVictorian Platinum Gold Weight 5.1g Opal Approx. 6ct Diamond Approx. 0.67ct Ring Size 6.75 Measurements 0.9”x0.78”See Sold Price
Sold2017Platinum, Firey Opal & Diamond RingCustom 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.See Sold Price
Sold2021Platinum Opal Diamond Cocktail RingPlatinum 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. WeighSee Sold Price
Sold2021Platinum Black Opal Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size - 7.75, ring top is 15.6mm wide. GEMSTONES: Black opal - 15.6mm x 12mm x 5.1mm (stone has small chips/abrasions). Diamonds approx. 0.50ctw. MARKED: with polishSee Sold Price
Sold2023Platinum 6.01ct Opal Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Opal 6.01ct, Diamonds 0.45ctw Measurements : Ring size 7, top is 21mm x 15mm Marked: : pt900, 6.01, 0.45 Weight: 9.3 gramsSee Sold Price
May 28Miami Auction GalleryGIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail Ring$5,600
3 days LeftRiverside GalleriesPlatinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies Ring$50
3 days LeftRiverside GalleriesPlatinum Setting with 4.18ct Fire Opal and 0.54ct Diamond Ladies Ring$50
6 days LeftRiverside GalleriesPlatinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies Ring$50
1 day LeftRiverside GalleriesPlatinum and 18K Yellow Gold Setting with 0.80ct Opal and 0.19ct Diamond Ladies Ring$50