14K Yellow Gold Opal and Diamond RingNew England Auctions - Fred Giampietro4.6(436)$150(3 bids)Feb 12, 2026
14K GOLD RING WITH NATURAL OPAL AND 0.08CTS DIAMONDS (SIZE: 7) 6.5 GRAMSModern Jewelry4.5(203)$1,800Feb 22, 2026
14K Gold 10.00ct Opal 0.80ct Sapphire 1.00ct Diamond RingPrestige Auction Galleries4.4(638)$506 days Left
14K GOLD RING WITH NATURAL OPAL AND 0.06CTS OF DIAMONDS SIZE: 6.25 3.6GModern Jewelry4.5(203)$700Feb 08, 2026
SoldBurle Marx 18k Gold Opal RingMETAL: 18k gold. MEASUREMENTS: ring size - 6 1/2, ring top is 30mm x 15mm. GEMSTONES: opal. MARKED: Burle Marx, 750, Brasil. WEIGHT: 7.3 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold18K Gold Opal RingMETAL: 18K gold. GEMSTONES: opal. MEASUREMENTS: ring size 10.5. Ring top is 31mm at widest point. MARKED: 18Ct. WEIGHT: 15.9 grams.Gemstones have not been graded for color and clarity ,and tested forSee Sold Price
Sold18K Gold Opal Ring18K gold opal ring in twisted rope setting, 15mm x 12mm opal, stamped 750 with maker's stamp, 11.6 grams t.w., size 7See Sold Price
SoldVintage 18K Gold Opal RingMETAL: 18k gold. GEMSTONES: Opal - 13.5mm x 11.3mm. MEASUREMENTS: Ring size 5 3/4, ring top is 15.4mm wide. MARKED: Solar, 18ct. WEIGHT: 4.8 grams.Gemstones have not been graded for color and claritySee Sold Price
SoldLadies 18k Gold & Opal Ring, Opal & Diamond BroochLadies 18k Yellow Gold and Opal Ring, and an Opal, Diamond and 10k Yellow Gold Brooch. 7.7 g.t.w. Brooch: L: 1.25 in.See Sold Price
Sold18k Gold Opal RingMETAL: 18k Gold. GEMSTONES: Opal approx. 6.99ctw. MEASUREMENTS: Ring size 7 1/4, top is 17mm. MARKED: K18, 3.61. WEIGHT: 2.1 grams.Gemstones have not been graded for color and clarity ,and tested forSee Sold Price
SoldAntique Victorian 18k Gold Opal RingAntique Victorian 18k gold ring, featuring center opal. Ring size - 3.25, ring top - 18mm x 8mm. Weight - 1.5 grams.See Sold Price
SoldAntique 18k Gold Opal RingMETAL: 18k Gold. GEMSTONES: Opal. MEASUREMENTS: Ring size 4 1/2, top is 9mm in diameter. TESTED: 18k. WEIGHT: 2.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity andSee Sold Price
Sold18K Gold Opal Ring Signed "JJ"Size 6. 7.3 total grams. "18K" & "JJ" stamped inside.See Sold Price
Sold18k Gold Opal RingMETAL: 18k Gold. GEMSTONES: Opal. MEASUREMENTS: Ring size 6, top is 10mm at widest point. MARKED: 18k 1.59. WEIGHT: 1.1 grams.Gemstones have not been graded for color and clarity, and tested for clariSee Sold Price
SoldAntique 18k Gold & Opal Ring18k Gold & Black Opal Ring, size 8, 2.6g, marked "18k". All credit cards will be manually verified prior to shipment.See Sold Price
Sold18k Gold Opal RingMETAL: 18k Gold. GEMSTONES: Opal. MEASUREMENTS: Ring size 6, top is 9.6mm. MARKED: 18k 1.10. WEIGHT: 1.1 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enSee Sold Price
SoldCUSTOM 18K GOLD & BLACK OPAL RINGSet with a central, black cabochon opal, flanked on either side by (3) small round diamonds. Size: 6. 4.4 tw.See Sold Price
SoldPlatinum 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
SoldAntique 18k Gold Opal Diamond RingMETAL: 18k white gold. MEASUREMENTS: size 4 3/4, ring top is 20mm x 16mm. GEMSTONES: Old Mine cut diamonds - approx. 1.00- 1.10ctw (H-I/VS2), opal. TESTED:18k. WEIGHT: 3.9 grams. Gemstones have not beSee Sold Price
SoldHughes Bosca 18K Gold Mexican Opal Ring18K Gold Hand Forged Hughes Bosca Mexican Opal Ring. This custom made ring has a large Mexican Opal center stone with round cut citrines mounted to outside of the band. Signed on underside of ring. ThSee Sold Price
SoldEffy 18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: diamonds, opal. MEASUREMENTS: ring size 7.25. Ring top is 24mm at widest point. MARKED: 18K Effy. WEIGHT: 7.6 grams.Gemstones have not been graded for color and clarity ,anSee Sold Price
Sold18K gold opal mounted ring with naturalistic design. Opal measures 16.3mm round. Ring size 7.25.18K gold opal mounted ring with naturalistic design. Opal measures 16.3mm round. Ring size 7.25. Marked 18CT. 19.1 grams.See Sold Price
SoldWomens Vintage Estate 18K Gold Sapphire & Opal RingFOR SALE IS THIS LOVELY VINTAGE 18K YELLOW GOLD THAI PRINCESS RING WITH SAPPHIRES AND OPALS. THE TOTAL WEIGHT IS 5.2g, AND IS A SIZE 5.0. A MAGNIFICENT PIECE OF JEWELRY. MAKES A GREAT GIFT FOR THAT SOSee Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.35ctw. Opal. MEASUREMENTS: Ring size 7 3/4, ring top is 21mm 18mm wide. MARKED: 18ct. WEIGHT: 6.8 grams.Gemstones have not been graded for color and clarSee Sold Price
Sold18K Gold Diamond Opal RingDESCRIPTION: 18k Yellow gold ring with opal cabochon flanked by inset round cut diamonds.Hallmarked: 'CAG, 750'CIRCA: 20th Cent.ORIGIN: ContinentalDIMENSIONS: Size: 6.5 (Opal) Dia: 17mm (Total Weight:See Sold Price
Sold18k Gold Diamond Opal RingMETAL: 18k Gold. MEASUREMENTS: Ring size - 6.25, ring top - 12mm x 15mm. GEMSTONES: Opal - 6.1mm x 7.6mm, diamonds approx. 1.00ctw. MARKED: JWC, 18k. WEIGHT: 6.9 grams.Gemstones have not been graded fSee Sold Price
SoldVintage 18K gold opal mounted ring. Large oval opal measuring 21.1 x 11.2mm. Marked 18K and otherVintage 18K gold opal mounted ring. Large oval opal measuring 21.1 x 11.2mm. Marked 18K and other hallmarks. Ring size 5.5. 7.3 grams.See Sold Price
Sold18K Gold Diamond Opal RingMETAL: 18K gold. GEMSTONES: diamonds, opal. MEASUREMENTS: ring size 9.25. Ring top is 26mm x 21mm at widest point. MARKED: 750 Queen$Daddy. WEIGHT: 5.5 grams.Gemstones have not been graded for color aSee Sold Price
