Stunning Platinum Opal and Diamond Ring 40 Diamonds 4.00 Ct OpalDiamond Depot4.3(10)$2,3002 days Left
Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H DiamondsDiamond Depot4.3(10)$1,4502 days Left
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(197)$504 days Left
18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS SIZE: 8 2.2GModern Jewelry4.5(203)$1,275Feb 22, 2026
Sold10 ct Lightning Ridge Opal Diamond Ring10 ct. Lightning Ridge opal and diamond dinner ring set in 14K white gold mounting. Oval black opal measuring 13 mm x 10 mm x approx. 3.7 mm and containing 12 round brilliant diamonds with a total weiSee Sold Price
SoldPlatinum 4.90ct Lightning Ridge Black Opal & 1.08ctw Diamond Ring, 6.254.90ct Cabochon Oval Lightning Ride Black Opal with excellent play of color & multiple displays of patterns In Platinum setting with 1.08ctw Near-colorless round brilliant natural diamond halo SizSee Sold Price
Sold18K Gold and Lightning Ridge Black Opal and Diamond RingAn 18K yellow gold solid Lightning Ridge black opal and diamond lady's ring. Set with two diamonds. Inside of ring is marked 750. In good condition with minimal surface scratching to band. Ring comesSee Sold Price
SoldGIA Vintage Huge 18K Gold Brutalist Natural Opal 10CT Fine Diamond Mens Ring 10.65CTW 22gDescribed & Photographed By: Rachel CNX 0230 0522 Title: Vintage Huge 18K Gold Brutalist Opal 10CT Fine Diamond Mens Ring 10.65CTW 22g Description: An amazing vintage, heavily textured largSee Sold Price
Sold14K Yellow Gold Ladies Opal and Diamond Ring14K Yellow Gold Ladies Opal and Diamond Ring, C. 1940's, Large 10 ct. Australian Opal Surrounded with Small Round Diamonds and Lined with Blue Enamel, Diamond Weight Approximately 2.00 cts..See Sold Price
SoldPlatinum 4.21 ct Natural Opal & Diamond RingPGL Digital Appraisal Retail Replacement Value $7,160 Natural opal weighing 3.30 carats Natural Diamonds Carat Weight: .91Color Grade: G-H Clarity Grade: SI1-SI2 Size 6.5 10 grams 404047-771NOTE: PGLSee Sold Price
SoldPlatinum Opal Diamond Rosetta RingPlatinum Weight 11g Opal Approx. 10ct Diamond Approx.1.1ct Rosetta Ring Size 7 Measurements 0.96”x0.78See Sold Price
Sold(2)Australian Lightning Ridge Black Opals - 1.05ct Freeform Cab + 1.10ct Doublet Opal Cab(2)Australian Lightning Ridge Black Opals - 1.05ct Freeform Cab + 1.10ct Doublet Opal CabSee Sold Price
SoldOpal, diamond and platinum ringOpal, diamond and platinum ring Centering (1) oval opal cabochon, measuring approximately 19 X 13 mm, flanked by (4) full-cut diamonds, weighing a total of approximately 0.10 ct., set in a platinum moSee Sold Price
SoldLightning Ridge Australian Black Opal Certified - 1.10Title: Lightning Ridge Australian Black Opal Certified - 1.10 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.10 ct Size/Dimensions: 9.68 x 7.74 x 2.15 mm Additional InSee Sold Price
SoldPlatinum Diamond Opal RingPlatinum Weight 8.79gr 1.2”x1.2” Diamond Approx 4ct Opal 10ct Ring Size 7See Sold Price
SoldAn opal three-stone and diamond ring. The graduatedAn opal three-stone and diamond ring. The graduated oval black opal cabochon line, with old-cut diamond double spacers and stylised foliate shoulders. Estimated total diamond weight 0.10ct. Ring sizeSee Sold Price
SoldAn opal three-stone and diamond ring. The graduatedAn opal three-stone and diamond ring. The graduated circular opal cabochon line, with old-cut diamond spacers. Estimated total diamond weight 0.10ct. Ring size N. Weight 3.3gms.See Sold Price
SoldAn opal and diamond dress ring.An opal and diamond dress ring. The oval opal cabochon, to the brilliant-cut diamond scalloped sides and plain band. Estimated total diamond weight 0.10ct. Weight 4.3gms.See Sold Price
SoldA mid 20th century 18ct gold and platinum, opal andA mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. OvSee Sold Price
Sold14k white gold, opal, and diamond ladies ring.14 k white gold, opal, and diamond ladies ring having a oval polished opal measuring 7 mm x 5 mm surrounded by 10 .01 ct round cut diamonds. Ring size 6.5.See Sold Price
SoldPlatinum Diamond Opal Ring Platinum Weight 10.41gr Measurement 0.9”x0.78” Diamond 1ct Opal Approx 10ct  Ring Size 6.5See Sold Price
SoldAn early 20th century 18ct gold opal and diamondAn early 20th century 18ct gold opal and diamond three-stone ring. The graduated oval opal cabochon line, with old-cut diamond double spacers. Estimated total diamond weight 0.10ct. Ring size L1/2. WeSee Sold Price
Sold18K White Gold 4.22 Ct. Opal and Diamond Vintage Style Cocktail RingRing InformationStyle: VintageMetal: 18K White Gold Total weight: 7.52 g. (approx. total weight)Size: US7Center Gemstones Type: OpalShape: OvalSize: 10 x 8 mm.Number: 1Weight: 4.22 CarSee Sold Price
SoldLightning Ridge Australian Opal Certified - 1.33 ctTitle: Lightning Ridge Australian Opal Certified - 1.33 ct Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.85 x 6.89 x 3.01 mm Additional InformaSee Sold Price
Sold14k White Gold Diamond and Opal Ring14k white gold ring with one bead set opal cabochon center stone surrounded by 20 bead set round brilliant cut diamonds (estimated at 0.10 ct. each) staggered on two levels and flanked by six round brSee Sold Price
SoldLightning Ridge Australian Opal Certified - 1.66 ctTitle: Lightning Ridge Australian Opal Certified - 1.66 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.66 ct Size/Dimensions: 10.11 x 8.22 x 3.27 mm AdditiSee Sold Price
SoldLightning Ridge Australian Opal Certified - 1.33 ctTitle: Lightning Ridge Australian Opal Certified - 1.33 ct Brand: None Metal Purity: Natural, Certified Gemstones: Australian Opal Carat Weights: 1.33 ct Size/Dimensions: 10.51 x 8.22 x 2.48 mm AdditiSee Sold Price
SoldPlatinum, Black Opal and Diamond RingOne oval black opal ap. 7.00 cts., 10 round diamonds ap. .30 ct. Size 7 1/4. Black opal: overall medium deep slightly grayish violetish blue, green, yellow and red flashes, moderate crazing, good polSee Sold Price
