A sapphire and diamond cluster ring, centred with an oval-cut sapphire of purplish-blue colour,

Two gem set rings, a Tahitian pearl necklace and a bracelet. Featuring A sapphire and diamond dress ring, centred with an oval-cut sapphire of purplish-blue, with diamond-embellished shoulders to a D-

AN 18 CARAT WHITE GOLD SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut green-blue sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.50ct, hallmarked London 1977,

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 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

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

A COLOUR CHANGE SAPPHIRE AND DIAMOND CLUSTER RING, SRI LANKA (CEYLON), NO HEATThe cushion cut sapphire with blue to purple colour change estimated to weigh 9.30 carats, within a surround of old mine c

A platinum and 18ct gold sapphire and diamond cluster ring. The oval-shape greenish blue sapphire, with single-cut diamond surround and tapered sides. Estimated total diamond weight 0.20ct. Hallmarks

14K Gold. Stamped & Trademarked. Weight: 5.0g gross. Contains: 1 cushion cut blue sapphire of 0.50ct weight, VS clarity and slight purplish blue colour. Set with ten round brilliant cut diamonds of 0.

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire collet, within a baguette-cut diamond border. Estimated total diamond weight 0.75ct, H-I colour, VS clarity. Hallmarks for Birmi

A Lady Diana Blue Sapphire 14kt Yellow Gold Plated Cluster Ring. The Ring Displays a Cluster Of Simulated Diamonds Around A Oval Cut Blue Sapphire. The Ring Is Crafted With Precision & An Excellen

Ladies' vintage 14 karat Yellow Gold cluster ring. Set to the center with an oval shaped blue Sapphire stone encircled by ten round brilliant cut Diamonds, weighing approx. .15cts. twt. Ring size 5. W

18K white gold with a cluster of four oval cut blue sapphires, approx. 5mm x 3.5mm, surrounded by 8 rectangular step blue sapphires, approx. 4mm x 2.5mm and four accent diamonds, ring size 6-3/4, 4.4

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 1.10ct, ring size L1/2, 4.4 grams Accompanied by a pr

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy milgrain border of old-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.70ct, marked 'Plat', ring size M

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy pierced milgrain border of round-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a double border of eight-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.60ct, marked 'PT950', ring size L1/2,

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire spaced by channel-set calibré-cut sapphires and within a fancy pierced milgrain plaque set throughout with round brilliant-cut diamonds. Est

AN 18 CARAT GOLD SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.50ct, hallmarked London 2021, ring size N, 5.4

A SAPPHIRE AND DIAMOND CLUSTER RING, an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.65ct, marked '750', ring size N, 5.3 grams

A sapphire and diamond cluster ring, the oval cut sapphire claw set within a border of fourteen single cut diamonds to a plain tapered shank, size N, stamped '18ct'

A SAPPHIRE AND DIAMOND CLUSTER RING LONDON 1981The oval cut sapphire within a surround of brilliant cut diamonds, to trifurcated diamond accented shoulders, approximately 0.82 carats totalSize/dimensi

An 18ct gold sapphire and diamond cluster ring, An 18ct gold sapphire and diamond cluster ring, an oval mixed cut sapphire, approximately 5.40mm x 8.00mm, claw set to the centre of a surround of round

Two gold sapphire and diamond rings, comprising a 9ct gold sapphire and diamond cluster ring, a central oval cut sapphire, to a surround of eight cut diamonds, flanked by a single eight cut diamond gr

A SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut sapphire of 1.67 carats, in a cluster of round brilliant cut diamonds, no assay marks, sizing beads, size I / 4, 3.3g.