Sold2023An Art Deco single stone black opal ring,An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridgedSee Sold Price
Sold2024BLACK OPAL SINGLE STONE RINGBLACK OPAL SINGLE STONE RING,High carat gold.Black opal of approx. 4.30 ct.Vibrant colours including red.Size N.3.9 grams.See Sold Price
Sold2022Vintage Black Opal, Ruby & Diamond Ring, 14kSpecs Style Number: RG-2722 Metal: 14k Yellow Gold & White Gold Gram Weight: 4.7 Stones: Black Opal Oval, 0.20ctw~ 4 Round Brilliant Cut Diamonds, 0.30ctw~ 6 Rubies Circa: Vintage Condition: ExcellentSee 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
Sold2023A black opal, old and single-cut diamond pierced geometric ring.Signed JoAq. Engraved 850 Plat. RingA black opal, old and single-cut diamond pierced geometric ring.Signed JoAq. Engraved 850 Plat. Ring size N. 6.1gms.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
Sold2022Vintage Pave Diamond & Black Enamel Dome Ring, 18kMetal: 18k Yellow Gold & White Gold Gram Weight: 11.1 Stones: 1.15ctw~ 23 Single Cut Diamonds, Black EnameCirca: Vintage Condition: Excellent Ring Size: 6.5 *This merchandise can take up 5 to 10 businSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The step-cut diamond, weighing 6.30 carats, ring size J Footnotes: Accompanied by a report from GIA stating that the diamond is G colour, SI1 clarity. Report number 22255108See Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The old brilliant-cut diamond, weighing 10.74 carats, in an 18 carat white and yellow gold setting, London hallmark, ring size PSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 5.36 carats, within a six-claw setting, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is F colour, SI2See Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 5.73 carats, in a brushed mount, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is I colour, SI1 claritySee Sold Price
Sold2022DIAMOND SINGLE-STONE RING, CIRCA 1950DIAMOND SINGLE-STONE RING, CIRCA 1950 The step-cut diamond, weighing 5.64 carats, between bifurcated shoulders set with baguette and single-cut diamonds, ring size M Footnotes: Accompanied by a reportSee Sold Price
Sold2022DIAMOND SINGLE-STONE RING, MID 20TH CENTURYDIAMOND SINGLE-STONE RING, MID 20TH CENTURY The fancy octagonal-cut diamond, weighing 8.25 carats, in a raised setting, the shoulders and quatrefoil gallery set with old brilliant and single-cut diamoSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 3.94 carats, between scrolling shoulders set with baguette-cut diamonds, ring size Q Footnotes: Accompanied by a report from HRD stating tSee Sold Price
Sold2022AN IMPORTANT DIAMOND SINGLE-STONE RING The old European-cut diamond weighing 6.94cts within aAN IMPORTANT DIAMOND SINGLE-STONE RING The old European-cut diamond weighing 6.94cts within a four-claw setting, to a plain hoop, ring size O Accompanied by a report from the GIA laboratory in AmericaSee Sold Price
Sold2022DIAMOND SINGLE-STONE RING,DIAMOND SINGLE-STONE RING, 1884 The cushion-shaped diamond, mounted in 18 carat gold, diamond approx. 4.90cts, UK hallmark, ring size approx. P (leading edge) For further information on this lot pleasSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 6.02 carats, ring size O½See Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 4.11 carats, ring size M Footnotes: Accompanied by a report from GIA stating that the diamond is K colour, SI1 clarity. Report number 2191See Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 4.67cts, in a six-claw setting, size NSee Sold Price
Sold2015A diamond single-stone ring.A diamond single-stone ring. The rectangular-shape diamond, weighing 4.73cts, to the tapered shoulders and plain band. Accompanied by report number 20022002, dated 11th February 2015, from AnchorCert,See Sold Price
Sold2021DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, weighing 3.76cts, ring size approx. P, cased by F.J. Cornfield Ltd., 8 North End Road, Golders Green, also at The Broadway, Mill HillSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 2.20 carats, between princess-cut diamond shoulders, ring size approx. O Footnotes: Accompanied by a report from The Gem Testing LaboratoSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 2.78 carats, ring size MSee Sold Price
Sold2016An 18ct gold diamond single-stone ring.An 18ct gold diamond single-stone ring. The rectangular-shape diamond, to the tapered shoulders and plain band. Estimated total diamond weight 5-5.25cts, K-L colour, P1 clarity. Hallmarks for BirminghSee Sold Price
4 days LeftMiami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail Ring$9,300
Jun 09Donny Malone Auctions[2] .925 Sterling Silver Black Opal Ring size 7; .925 Sterling Black Opal, Purple Amethyst & CZ Ring$10
Dawsons AuctioneersA group of three diamond rings, including a diamond single stone ring, set with an old cut diamond i£140(1 bid)