A pair of platinum brilliant-cut diamond single-stone

A pair of brilliant-cut diamond single-stone ear studs. Estimated total diamond weight 0.25ct. Weight 0.6gm. Overall condition very good. Diamonds well matched. Diamonds bright. Individual size and se

Four pairs of earrings. To include two pairs of brilliant-cut diamond single-stone earrings, a pair of 9ct gold star earrings each inset with a rose-cut diamond accent, together with a pair of cubic z

Five pairs of diamond and gem-set earrings. To include a pair of 9ct gold brilliant-cut diamond single-stone stud earrings, a pair of 9ct gold pink sapphire and twist detail stud earrings, together wi

A platinum single stone ring. Brilliant cut diamond in rub-over setting. Diamond: 0.2 ct. Colour H. Size: M. 5. approx. grms.

PAIR OF DIAMOND SINGLE-STONE EARSTUDS Each brilliant-cut diamond, weighing 3.05 and 3.06 carats respectively

A 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.

A 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. Weight

A 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 3

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 5

A 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. Weight

DIAMOND 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 Bo

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 Pri

A 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 p

DIAMOND 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:

DE 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, maker

DIAMOND 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: Ac

A 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, signe

A 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 dia

A 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.

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 tot

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 colour

Lady'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 w

Crafted in platinum; featuring pear-shaped emeralds weighing a total of approximately 6.75 carats; enhanced by 96 round brilliant- and single-cut diamonds and 20 baguette-cut diamonds, all weighing a

A Pair of Platinum and Diamond Daffodil Motif Earclips, containing 34 round brilliant, 16 baguette, and 80 round single cut diamonds weighing approximately 1.30 carats total. 9.85 dwts. Estimate $1,00