A SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set

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 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.

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 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

.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

SAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold and platinum. Set with a central cabochon cut blue sapphire, surrounded with diamonds. Size J 1/2. 2 grams.

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

ART-DECO SAPPHIRE AND DIAMOND 3-CLUSTER RING. In 18 ct. gold and platinum. Set with 3 blue sapphires totalling approx. 1.31 ct. and diamonds totalling approx. 0.90 ct. size M. 3.1 grams

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

Vintage 1940's platinum diamond and sapphire cluster cocktail ring, channel, bead and prong set with 21 single cut and Old European Cut diamonds measuring approx: 1.2 - 2.8 mm, weighing approx: 0.33 c

Four gem set rings, Edwardian oval plaque ring with diamond, 18 ct and platinum, sapphire and diamond ring, pearl and garnet cluster ring, paste set ring and a pair of ear studs , all 9 ct

Platinum topped 14k yellow gold Edwardian style cluster ring with a cushion set dark blue sapphire center (8.5 x 6.5mm), surrounded by 12 prong set early cut rounds diamonds (2.88mm each) with an expa

AN ART DECO DIAMOND AND SAPPHIRE DRESS RING in yellow gold and platinum, of target design, set with a cluster of old European cut diamonds, within a border of calibre cut blue sapphires, with further

The two bands set to the front with four marquise-faceted diamonds, approx. 55 ct. TW., or a cluster of marquise or RBC diamonds, approx. .68 ct. TW. or sapphires. 14k. Sizes 8 1/2. 5.3 dwt.

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 CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut blue sapphire of 3.39 carats in a cluster of round brilliant cut diamonds, no assay marks, size M / 6, 4.5g. Accompanied by a ge

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 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.