0.90 Carat Diamond Single Stone Ring

DIAMOND 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 P

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 pleas

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 2.00 carats, mounted in 18 carat gold, rubbed UK hallmark, ring size R½

DIAMOND SINGLE-STONE RING, 1984 Set with a brilliant-cut diamond, weighing 2.96 carats, mounted in 18 carat gold, London hallmark, ring size approx. O½

DIAMOND SINGLE-STONE RING, 1906 The old brilliant-cut diamond mounted in 18 carat gold, diamond approx. 1.10cts, UK hallmark, ring size approx. Q For further information on this lot please visit Bonha

DIAMOND SINGLE STONE RING, 1983 Set with a brilliant-cut diamond, mounted in 18 carat white gold, diamond approx. 1.15ct, London hallmark, ring size approx. J For further information on this lot pleas

DIAMOND SINGLE-STONE RING Set with a pear-shaped diamond, mounted in 18 carat gold, diamond approx. 1.50cts, UK hallmark, ring size approx. M½

HIRSCH: DIAMOND SINGLE-STONE RING The marquise-cut diamond, weighing 1.96 carats, between tapered baguette-cut diamond shoulders, mounted in 18 carat gold, maker's mark, London hallmark, ring size app

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in 18 carat gold, diamond approx. 1.05cts, UK hallmark, ring size approx. K½

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in 18 carat white gold, diamond approx. 1.50cts, UK hallmark, ring size approx. O

DIAMOND SINGLE-STONE RING Set with a princess-cut diamond, mounted in 18 carat white gold, diamond approx. 1.25cts, European convention mark, partial UK hallmark, ring size approx. M

JOHN DONALD: DIAMOND SINGLE-STONE RING AND DIAMOND-SET DRESS RING, 1990-2002 1st: Set with a pear-shaped diamond, between openwork abstract shoulders, mounted in 18 carat gold, 2nd: Of openwork bomb&#

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, mounted in 18 carat gold, diamond very approx. 0.90ct total, UK hallmark, ring size approx. O

MALCOLM BETTS: DIAMOND SINGLE STONE RING Set with a rose-cut diamond, the 22 carat hoop of hammered finish, makers mark, London hallmark, ring size approx. M1⁄2 Footnotes: Malcolm Betts opened h

A diamond single stone ring, the brilliant cut diamond, estimated to weigh 1.00 carat, in four claw setting, stamped 950, finger size K 1/2

DIAMOND 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 22255108

DIAMOND 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, SI2

DIAMOND 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 clarity

DIAMOND 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 report

DIAMOND 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 diamo

DIAMOND 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 t

DIAMOND SINGLE-STONE RING The brilliant-cut diamond, weighing 6.02 carats, ring size O½

DIAMOND 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 2191

DIAMOND SINGLE-STONE RING Set with a step-cut diamond, weighing 7.01 carats, between brilliant-cut diamond shoulders, ring size approx. G (sizing spring)