Sold2017A platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond, with crossover gallery and plain band. Estimated diamond weight 1ct, L-tinted colour, P2 clarity. Hallmarks for Sheffield. Weight 5.1gmSee Sold Price
Sold2018A platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.See Sold Price
Sold2017A platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond, to the asymmetric shoulders. Estimated diamond weight 0.30ct, I-J colour, SI2-P1 clarity. Hallmarks for Birmingham. Ring size N. WeightSee Sold Price
Sold2017A platinum diamond single-stone ring. The brilliant-cutA platinum diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Diamond weight 0.16ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks for London. Weight 3See Sold Price
Sold2015A platinum diamond single-stone ring.A platinum diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 2.35cts, I-J colour, P3 clarity. Hallmarks for London, 2004. Weight 5See Sold Price
Sold2015A mid 20th century 18ct gold and platinum diamondA mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. WeightSee Sold Price
Sold2017A platinum diamond single-stone ring. Of bi-colourA platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.See Sold Price
Sold2016A mid 20th century 18ct gold and platinum diamondA mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimatedSee Sold Price
Sold2019A platinum single stone ring. Brilliant cut diamond inA platinum single stone ring. Brilliant cut diamond in rub-over setting. Diamond: 0.2 ct. Colour H. Size: M. 5. approx. grms.See Sold Price
Sold2022JOHN DONALD: DIAMOND SINGLE-STONE RING,JOHN DONALD: DIAMOND SINGLE-STONE RING, 2003 Set with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, maker's mark JAD, London hallmark, ring size approx. M Footnotes: From a PriSee Sold Price
Sold2022A DIAMOND SINGLE-STONE RING, BY BULGARI The central brilliant-cut diamond weighing 0.79ct within aA DIAMOND SINGLE-STONE RING, BY BULGARI The central brilliant-cut diamond weighing 0.79ct within a four-claw setting, to a gallery pavé-set with similarly-cut diamonds, mounted in platinum, signeSee Sold Price
Sold2022A diamond single-stone ringA diamond single-stone ring claw-set with a round brilliant-cut diamond, to a plain band, mounted in platinum; together with a baguette and round brilliant-cut diamond half-eternity ring, mounted in pSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING Set with a cushion-shaped diamond, between bifurcated brilliant-cut diamond-set shoulders, mounted in platinum, maker's mark, London hallmark, ring size approx. O Footnotes:See Sold Price
Sold2022DE BEERS: DIAMOND SINGLE-STONE RINGDE BEERS: DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, weighing 1.26 carats, mounted in platinum, signed De Beers, numbered C93092, partial UK hallmark, ring size approx. I½, makerSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond weighing 1.50 carats, mounted in platinum, maker's mark DOM, European convention mark, partial UK hallmark, ring size approx. O Footnotes: AcSee Sold Price
Sold2022DIAMOND SINGLE-STONE RINGDIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in platinum, diamond approx. 1.00ct, London hallmark, ring size approx. H½ For further information on this lot please visit BoSee Sold Price
Sold2022A diamond single-stone ringA diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the diaSee Sold Price
Sold2016A platinum and 18ct gold diamond five-stone ring,A platinum and 18ct gold diamond five-stone ring, together with a 9ct gold diamond single-stone ring. The first set with single-cut diamonds, the second set with a brilliant-cut diamond. Estimated totSee Sold Price
Sold2016A mid 20th century platinum diamond three-stone ring.A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colourSee Sold Price
Sold2015A mid 20th century platinum and 18ct gold diamondA mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weightSee Sold Price
Sold2017Lady's 4.10Ct Platinum Diamond RingLady's platinum ring containing a 4.10Ct round brilliant cut diamond center stone, Clarity SI 2, Color H, IGL certificate with 14 round brilliant cut diamonds and 14 single cut diamonds, total Carat wSee Sold Price
Sold2020PLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITHPLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITH OPENWORK DESIGN FEATURING 0.55CT BRILLIANT ROUND CENTER STONE WITH SIX SINGLE CUT DIAMONDS ON EACH SIDE (APPROX 0.73CT TDW) STAMPED AND TESTED (4See 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 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
2 days LeftFellowsA platinum brilliant-cut diamond single-stone ring.With report 20058198, dated 27th June 2022, from£4,500
2 days LeftFellowsA platinum brilliant-cut diamond single-stone ring.With report F1Q27216, dated 18th April 2013, from£900
Feb 26Thomaston Place Auction GalleriesVINTAGE LADIES PLATINUM AND GOLD DIAMOND SOLITAIRE RING$13,000
Feb 14Adam's AuctioneersA DIAMOND SINGLE-STONE RING, the brilliant-cut diamond within a six-claw setting to a plain hoop,€300
2 days LeftFellowsA brilliant-cut diamond single-stone ring, with brilliant-cut diamond shoulders.Principal diamond£120
2 days LeftFellowsAn 18ct gold pear-shape diamond single-stone ring, with brilliant-cut diamond shoulders.Principal£1,000
2 days LeftFellowsA brilliant-cut diamond single-stone ring, with brilliant-cut diamond line sides.With report£4,500
2 days LeftFellowsAn Art Deco platinum circular-cut diamond single-stone ring, with single-cut diamond pierced£2,200
2 days LeftFellowsA brilliant-cut diamond single-stone ring, with diamond shoulders.With report 2227295445, dated 7th£700
2 days LeftFellowsA brilliant-cut diamond single-stone ring, by Tiffany & Co.Diamond weight 1.71cts, marked to band,£12,000
2 days LeftFellowsA brilliant-cut diamond single-stone ring, by Bulgari.With Bulgari report, stating 0.503ct, F£1,200
2 days LeftFellowsA mid 20th century brilliant-cut diamond single-stone ring, with single-cut diamond line£1,500
2 days LeftFellowsAn 18ct gold brilliant-cut diamond single-stone ring, with similarly-cut diamond shoulders.Principal£1,500
2 days LeftFellowsAn 18ct gold brilliant-cut diamond single-stone ring, with rectangular-shape diamond£2,000
2 days LeftFellowsAn 18ct gold brilliant-cut diamond single-stone ring.Estimated diamond weight 2cts, I-J colour, SI£6,000
2 days LeftFellowsA Sri Lankan sapphire and brilliant-cut diamond single-stone ring.With report 214969, dated 28th£7,000
2 days LeftFellowsAn 18ct gold brilliant-cut diamond single-stone ring.Estimated diamond weight 1.80cts, G-H colour,£5,000
2 days LeftFellowsAn 18ct gold brilliant-cut diamond single-stone ring.Estimated diamond weight 0.80ct, I-J colour, SI£900
2 days LeftFellowsA 18ct gold brilliant-cut diamond single-stone ring.Estimated diamond weight 1.30cts, G-H colour, VS£4,000
2 days LeftFellowsA brilliant-cut diamond single-stone ring.Estimated diamond weight 2cts, G-H colour, P1£4,000