A diamond single stone 18 carat gold ring, the bri

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

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

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, 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 brilliant-cut diamond, mounted in 18 carat white gold, diamond approx. 1.50cts, UK hallmark, ring size approx. O

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

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

An 18 carat gold and diamond wedding ring, wide band form with single cut stone, 4.7g, together with a 9 carat gold ring, 1.3g (2)

Victorian single stone diamond ring, the old cut stone estimated at 0.50 carat, set in 18 ct gold hallmarked for Birmingham 1882-3

Diamond, Gold Ring Stones: Full and single-cut diamonds weighing a total of approximately 0.45 carat Metal: 18k white and yellow gold Gross Weight: 18.90 grams Si

DIAMOND SINGLE STONE RING, in 18 ct. gold. Set with an old cut diamond of approx. 0.50 ct. The openwork head and shoulders of part scrolling relief design. Size M. 3.3 grams.

AN 18 CARAT GOLD DIAMOND THREE STONE RING transitional round brilliant-cut diamonds in claw settings. Estimated total diamond weight 2.40ct, hallmarked London 1997, ring size J1/2, 4.1 grams Good con

AN 18 CARAT GOLD DIAMOND THREE STONE RING round brilliant-cut diamonds in claw settings. Estimated total diamond weight 1.20ct, hallmarked Sheffield, ring size M, 4.8 grams Good condition. Estimated

AQUAMARINE AND DIAMOND RING, 2013 The cushion-shaped aquamarine within a single-cut diamond surround, mounted in 18 carat white gold, London hallmark, ring size approx. R½

AN 18 CARAT GOLD AND DIAMOND THREE STONE RING LONDON 1987The old European cut diamonds in four claw settings, approximately 1.00 carat total, maker's mark JABSize/dimensions: finger size N 1/2Gross we

AN EMERALD AND YELLOW DIAMOND THREE STONE RING Made in 18 carat yellow gold Oval cut emerald, weighing approximately 1.20 carats Pear cut yellow diamonds, approximate total 0.35 carats Full British ha

AN 18 CARAT WHITE GOLD DIAMOND TWO STONE CROSSOVER RING, round brilliant-cut diamonds to eight-cut diamond-set bypass scroll shoulders. Estimated total diamond weight 0.50ct, hallmarked London 1990, r

EMERALD AND DIAMOND CLUSTER RING The shield-shaped emerald within a brilliant, single, and baguette-cut diamond surround, mounted in 18 carat gold, UK hallmark, ring size approx. N½