14K Yellow Gold Opal and Diamond RingNew England Auctions - Fred Giampietro4.6(436)$150(3 bids)Feb 12, 2026
18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS SIZE: 8 2.2GModern Jewelry4.5(203)$1,275Feb 22, 2026
Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H DiamondsDiamond Depot4.3(10)$1,4502 days Left
14K WHITE GOLD RING WITH 1CT OPAL AND 0.66CTS DIAMONDS (SIZE: 6) 3.3 GRAMSModern Jewelry4.5(203)$1,475Feb 22, 2026
Stunning Platinum Opal and Diamond Ring 40 Diamonds 4.00 Ct OpalDiamond Depot4.3(10)$2,3002 days Left
Sold18K OPAL DOUBLET & DIAMOND RINGset with a (10x8mm) opal doublet, highlighted by a surround of 28 brilliant cut diamonds approx. 1.40ctw (in our opinion: E-F color, VS1 clarity, however not guaranteed), overall ring head 18x16mm, inSee Sold Price
SoldAn Opal Doublet Diamond 18K Gold Ball RingAn Opal Doublet Diamond 18K Gold Ball Ring he oval opal doublet centers the spherical frame, measuring approximately 18.3 x 15.0mm, accented by curving rows of ninety-tworound brilliant cut diamonds,See Sold Price
SoldGroup of 14k Gold Jewelryincluding amethyst and diamond ring, two onyx pendants, two diamond pearl enhancers and two pairs of earrings, both for pierced ears together with an 18k gold necklace set with an opal doublet, 24 dwtSee Sold Price
Sold18KWG Black Opal & Diamond Ring18KWG Black Opal & Diamond Ring size 7.5, prong set oval cabochon black opal doublet approx. 9.5mm x 7.5mm, diamond weight approx. .50cttw. stamped and tested 18K white gold, gross weight approx. 3.45See Sold Price
Sold18k Yellow Gold and 14k White Gold Rings. 3.1 dwtComprises: 1.) 18k yellow gold etched nugget-form ring. 4.3 dwt. 2.) 14k white gold ring with mounted black opal doublet with 8 round faceted diamond accents. 8 diamonds, .04 ct each for an estimatedSee Sold Price
Sold18k Opal Diamond Ring18k Yellow Gold Weight 16.4g Opal Approx. 3ct Diamond Approx. 1.2ct Ring Size 8 Measurements 1.3”x1.21”See Sold Price
Sold14K Yellow Gold Opal Doublet Diamond Ring14K Yellow Gold Opal Doublet Diamond Ring, featuring one centered prong set opal doublet, approx. 20 x 14 mm., adorned with 20 prong set round brilliant cut diamonds weighing a total of approx. 1.00 cSee Sold Price
Sold18K Y/G opal diamond ring by Tiffany & coAn important 18K Y/G ring by Tiffany & co, center a rare deep orange fire opal wt. approx. 5.20ct, with VS/VVS clarity, accented by excellent quality small diamonds (VS, F/G), tdw approx. 1.0ct, wt.7.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
18K OPAL AND DIAMOND RINGSIZE 9. MARKED 750,18K, LARGE OPAL STONE WITH DIAMONDS ON SIDES AND BAND.See Sold Price
Sold14K GOLD, OPAL DOUBLET & DIAMOND CLUSTER RING, 7gA vintage 14k yellow gold cocktail ring, set with an oval shaped opal doublet, surrounded by a row of round brilliant cut diamonds, marked 10k, size 6. L. of opal: 1.6cmSee Sold Price
SoldLadies 18K Opal Diamond Emerald RingSpectacular Ladies 18K White Gold Ring set with 17 full-cut round diamonds, and a large singlet opal (8.5mm x 11mm). Ring Size 8. total weight 7.3 grams / 4.6 dwt. light use, clean good condition withSee Sold Price
Sold18k Opal Diamond & Emerald Ring Doug Zaruba Sz 8Total Weight: 7.46 grams. 18 karat yellow gold with 9mm x 11mm Opal, 6 marquise cut emeralds, and 6 round cut diamonds (0.09 CTW). Crafted and signed by Douglas Zaruba of Hagerstown, Maryland. Dated 1See Sold Price
Sold18K Gold Opal Diamond RingMETAL: 18k gold. GEMSTONES: opal (opal is chipped), diamond. MEASUREMENTS: Ring size 6. MARKED: 18k. WEIGHT: 3.8 grams. Gemstones have not been graded for color and clarity, and tested for clarity andSee Sold Price
SoldTEMPLE ST. CLAIR: AN 18K GOLD, OPAL AND DIAMOND RINGTEMPLE ST. CLAIR: AN 18K GOLD, OPAL AND DIAMOND RING Designed with an oval cabochon opal flanked by six round diamonds, with maker's mark, with signed box, size 10 Footnotes: OVERALL CONDITION: MetalSee Sold Price
Sold18K GOLD BLACK OPAL & DIAMOND RINGA very impressive opal ring set in18KT yellow gold ring with a large black opal (approx 24mm x 12mm) surrounded by 12 round channel set diamonds (approx 60 ctw) . It is a size 7 and weighs 18.1g (11.6See Sold Price
Sold18K Yellow Gold Opal Doublet RingThis is an 18kt yellow gold black opal doublet ring. The approximate 12mm x 8mm oval opal doublet is in a lost wax cast nugget-style setting made of 18kt yellow gold. The ring is US size 6 and weighsSee Sold Price
Sold18K YELLOW GOLD OPAL & DIAMOND RING18K Yellow Gold, opal and diamond ring TCW of the diamonds - 3.3Ct.Weight: 11.6 g. approx:Length: 23.3 mm. approx:Width: 18.8 mm. approx.Opal 16.6 mm. x 11.9 mm. x 2.9 mm. Size: 8See Sold Price
SoldMens 18K Gold Opal and Diamond RingMens opal and diamond 18K yellow gold ring, central opal cabochon, channel set round brilliant diamond rectangular border, marked size: 9.5 total weight: 32.9 Provenance: Property from a San AntonioSee Sold Price
SoldTayma 18k Gold Black Opal Diamond RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.28ctw, Black opal. MEASUREMENTS: Ring size 6.5, top is 28mm x 29mm. MARKED: Tayma, 750. WEIGHT: 13.8 grams.Gemstones have not been graded for color and cSee Sold Price
Sold18k Gold Opal Onyx Diamond RingMETAL: 18k gold. MEASUREMENTS: ring size - 5 1/2, ring top is 24mm x 24mm. GEMSTONES: opal - 11.8mm x 11mm, onyx. diamonds - approx. 1.00-1.10ctw (one diamond is missing). TESTED: 18k. WEIGHT: 20 gramSee Sold Price
SoldRetro 18k Gold, Opal and Diamond RingDESCRIPTION: A Retro 18k yellow gold ring centered by an Oval Opal weighing approx. 9cts, encompassed by round cut Diamonds amounting to an approx. Total of 1ct. Stamped indistinctly along the inner bSee Sold Price
SoldAn 18K Opal, Emerald and Diamond Ring18K yellow gold ring featuring very fine oval opal from Coober Pedy mine in Australia, opal measures 18.5 x 12.4mm with very good green, yellow and violet play of color, set in twisted wire setting wiSee Sold Price
