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
Sold2022Platinum Diamond Opal RingPlatinum Weight 8.79gr 1.2”x1.2” Diamond Approx 4ct Opal 10ct Ring Size 7See Sold Price
Sold2018Platinum Diamond Opal RingMETAL: 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 gradedSee Sold Price
Sold2020Mid Century Platinum Diamond Opal RingBlack 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.See Sold Price
Sold2022Platinum Diamond Opal RingPlatinum Weight 10.18g Diamond Opal Ring Size 6.5 Measurements 1.23”x0.79” See Sold Price
Sold2021Platinum Diamond Opal RingPlatinum Weight 4.9gr Diamond Approx 0.35ct VS1-HÊ Opal Ring Size 7 1/4 Measurement 0.7Óx0.7ÓSee 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
Sold2019Platinum Diamond Opal RingMetal 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: PtSee Sold Price
Sold2018Platinum Diamond Opal RingMETAL: 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 coSee Sold Price
Sold201518k Gold Platinum Diamond Opal RingRing 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.GeSee 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
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
Sold2017Platinum Diamond Black Opal RingMETAL: 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 coSee Sold Price
Sold2020Platinum Diamond 1.95ct Opal RingMetal Content: Platinum. Weight of Item: 6.9 grams.Size: Ring size 7 1/4, ring top - 10.7mm wide.Gemstone: Diamonds. Opal approx. 1.95ct (10.6mm x 9mm)Carat Weight: approx. 0.49ctw.Stamp: Pt900, D 049See Sold Price
Sold2021Platinum Diamond 2.09ct Opal Cocktail RingMETAL: Platinum. GEMSTONES: with center 2.09ct opal, and 2.25ctw in diamonds. MEASUREMENTS: Ring size - 6.5, ring top - 18mm x 16mm. MARKED: 1.11, Pt900, 2.09. WEIGHT: 8.5 grams.Gemstones have not beeSee Sold Price
Sold2016Platinum Diamond and Fire Opal RingPlatinum Diamond and Fire Opal Ring. This unique platinum ring is set with a central 2.80 cts. oval cut fire opal, which has beautiful fire and depth of color. 2.40 ctw. of round brilliant cut diamondSee Sold Price
Sold2019Platinum 18k Gold Diamond Opal RingMetal Content: Platinum/ 18k Gold. Weight of Item: 13.9 grams.Size: 6.25, width of the top - 21mm. Gemstone: Opal , Diamonds. Carat Weight: approx. 0.35ctw. Stamp: 0.35, pt900 k18.See Sold Price
Sold2017LADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RINGLADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RING Ladies .900 Platinum diamond cocktail fashion ring with oval cut black opal center stone. Diamond carat weight total is approximately .40cts, opal measSee Sold Price
Sold2019Platinum 1920´s style Diamonds Rosetta RingOne center full cut stone Approx. 0.75 CT, 8 old miner Diamonds TW Approx. 1.6 CT surrounding, TW Approx. 2.35 CT. Color: G-H. Clarity: VS1 -S1. Ring size: 4. Weight: 3.9g.See 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
Sold2023Platinum Opal Diamond RingPlatinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct RingSee Sold Price
5 days LeftMiami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail Ring$9,000
5 days LeftMiami Auctions & Appraisals LLC Estate GIA Large Black Opal Diamond Platinum Cocktail Ballerina Ring$34,500
2 days LeftMiami Auction GalleryGIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail Ring$5,600
5 days LeftMiami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail Ring$9,300
Jun 06Elmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
Jun 06Elmwood'sAN EXCEPTIONAL FIRE OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon fire opal£3,000