TANZANITE AND DIAMOND CLUSTER RING in platinum, set

A TANZANITE AND DIAMOND CLUSTER RING in platinum, set with an emerald cut tanzanite of 2.85 carats, in a border of round brilliant cut diamonds totalling 1.0-1.2 carats, stamped 950, size M / 6, 8.2g.

A VERY FINE ALEXANDRITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut alexandrite of 1.18 carats in a cluster of round brilliant cut diamonds, the stylised shoulders set with further roun

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon sapphire of 7.44 carats in a double border of old cut diamonds, the diamonds all totalling 1.4-1.5 carats, full

A YELLOW DIAMOND CLUSTER RING in platinum, set with a marquise cut yellow diamond of 1.01 carats, in a cluster of round brilliant cut diamonds, the band set with further baguette cut diamonds, stamped

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 2.50 carats in a cluster of round brilliant cut diamonds, further diamonds accenting the shoulders all t

A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with a round cut sapphire of 2.66 carats, surrounded by a border of round brilliant cut diamonds, stamped PT 950, size N1/2 / 6.75, 5.1g.

NO RESERVE - A RUBY AND DIAMOND CLUSTER RING in platinum, set to the centre with an oval cut ruby in a cluster of old cut and rose cut diamonds, no assay marks, size T / 9.5, 4.4g.

A TANZANITE AND DIAMOND CLUSTER RING set with an oval cut tanzanite in a cluster of illusion set round cut diamonds, stamped 10kUD, size N / 7, 2.2g.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set with a central oval blue sapphire of 1.85 ct. Surrounded with diamonds totalling approx. 0.48 ct. Size O. 3.5 grams.

SAPPHIRE AND DIAMOND CLUSTER RING, in platinum. Set to the center with a blue sapphire of approx. 2.31 ct. Flanked with diamonds totalling approx. 1.44 ct. Size O. 6.6 grams.

A Tanzanite and diamond cluster ring claw-set with a cushion-cut Tanzanite, in a border of round brilliant-cut diamonds, to a plain band, stamped 18k 750(Ring size: R/S)

RUBY AND DIAMOND SQUARE CLUSTER RING, in platinum. Set with a larger central ruby, flanked with a ruby on each corner, and accentuated with diamonds. Rubies totalling approx. 0.71 ct. Diamonds totalli

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

A DIAMOND CLUSTER RING in 18ct gold and platinum, set with an old cut diamond in a cluster of further diamonds totalling 1.10 carats, stamped PLAT 18CT, size K / 5, 2.9g.

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut ruby of 1.14 carats, in a cluster of round cut diamonds, stamped PLAT 18CT, size O / 7.25, 4.1g. With a

A FINE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a principal old European cut diamond of 0.72 carats within a border of single cut diamonds, stamped 18ct Plat, size N1/2 / 7, 2.7

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut sapphire, in a halo of old mine cut diamonds, to stylised shoulders, stamped with maker's mark and 18CT & PLA

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

A VINTAGE DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a floral cluster of old European and round brilliant cut diamonds, stamped 18ct & PLAT, size K1/2 / 5.5, 1.9g. 

.900 PLATINUM DIAMOND SAPPHIRE CLUSTER SWIRL RING Ladies Fine .900 Platinum Set Sapphire Cluster Diamond Swirl Fashion Ring. Ring features 12 graduated brilliant round diamonds accenting the sides, ra