A topaz and diamond oval cluster ring, 18ct white gold.

649. A LOVELY RUBY AND DIAMOND OVAL CLUSTER RING in 18ct white gold and platinum.

An asymmetric diamond, sapphire and 18ct white gold cluster ring, of oval outline with one side composed of an undulating curve of six pear cut sapphires, the rest of sixteen round brilliant cut diamo

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 4.11 carats in a cluster of round brilliant cut diamonds all totalling 1.4-1.6 carats, stamped 18

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of 0.87 carats in a cluster of round brilliant cut diamonds totalling 1.04 carats, stamped 18CT, size N / 6.

A MOONSTONE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cabochon moonstone within a border of round brilliant cut diamonds, full British hallmarks, size M / 6, 3.8g.

A FINE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and white gold, set with an oval cut ruby of 7.05 carats in a cluster of old cut diamonds, the diamonds all totalling 1.3-1.4 carats, stamped 1

A RUBY AND DIAMOND CROSSOVER RING in 18ct white gold, terminating with two oval cut rubies both totalling 1.24 carats within a cluster of round brilliant cut diamonds, with further diamonds to the ban

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

A group of gemstone and white gold ringsincluding a circular-cut ruby and round brilliant-cut diamond floriform cluster and fourteen karat white gold ring; an oval or circular-cut peridot, blue topaz

A DIAMOND CLUSTER RING in 18ct white gold, set to the centre with a round brilliant diamond of approximately 1.48 carats in a cluster of marquise cut diamonds, all diamonds totalling 3.5-3.6 carats, s

A DIAMOND CLUSTER RING in 18ct white gold, set with an old European cut diamond of 1.00 carats, in a border of single cut diamonds, stamped 750, size Q / 8, 3.2g.

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 0.9-1.0 carat, French assay marks for 18ct gold, size L / 6, 4.0g.

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with an emerald cut aquamarine of 3.71 carats in a border of round cut diamonds totalling all 0.11 carats, stamped Au750, size O / 7, 4.0

A DIAMOND CLUSTER RING in 18ct white gold, set with a cluster of round brilliant cut diamonds all totalling 0.8-0.9 carats, partial British hallmarks, size M1/2 / 6.5, 3.7g.

NO RESERVE - A DIAMOND CLUSTER RING in 18ct white gold, set with a round cut diamond in a border of further round cut diamonds all totalling 0.5-0.7 carats, size N / 6.75, stamped 750, 3.2g.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a pear shaped sapphire of 1.20 carats, in a cluster of round brilliant cut diamonds totalling 0.12 carats, stamped Au750, size O / 7, 3

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal in a cluster of round cut diamonds, British hallmarks, size H / 4, 5.2g.

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a central cushion cut sapphire of 5.13 carats, encircled by a border of single cut diamonds, later British import marks,

A modern diamond cluster ring set in 18ct white gold, the central claw set round brilliant cut diamond, laser marked to the girdle 'CD 16-15851', surrounded by 16 pavé set diamonds, the shoulders eac

A 20th century diamond cluster ring set in 18ct white gold, the central row of five baguette cut diamonds bordered by a total of fourteen round brilliant cut diamonds, claw set to a basket gallery, wi

AN 18CT WHITE GOLD AND DIAMOND CLUSTER RING. Size N, weight 7g

18ct white gold ruby & diamond cluster: Large ring marked 18ct and tested as 18ct white gold, ring size L, weight 11.7g. Ruby measures 10mm x 9mm approx.

Diamond Fancy Cluster 18ct White Gold Ring Diamonds Round Diamond Cluster to centre, diamond set surround border top and bottom containing a total of 27 round brilliant cut diamonds, centre measuring