A SAPPHIRE AND DIAMOND CLUSTER RING Cushion cut blue

IMPORTANT CERTIFICATED 4.18 CT. BURMA BLUE SAPPHIRE AND DIAMOND CLUSTER RING, set with a central cushion cut blue sapphire of 4.18 ct. surrounded by diamonds. Size M. 4 grams. Accompanied by GCS Londo

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

IMPORTANT CERTIFICATED 10.88 CT. CEYLON BLUE SAPPHIRE AND DIAMOND CLUSTER RING, in 18-ct gold. Set with a central cushion cut blue sapphire of 10.88 ct. flanked with diamonds totalling approx. 1.40 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

A SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut sapphire within a milgrain halo border of eight-cut diamonds, to diamond-set shoulders and a reeded shank. Estimated total dia

AN ART DECO SAPPHIRE AND DIAMOND CLUSTER RING, a cushion-cut sapphire within a rectangular border of old-cut and baguette-cut diamonds. Estimated total diamond weight 1.75ct, ring size N, 5.1 grams

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

A LATE 19TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING three graduated cushion-cut sapphires within borders of old-cut diamonds. Estimated total diamond weight 1.40ct, ring size L1/2, 4.7 grams Good

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 6.12 carats, within a border of single cut diamonds, no assay marks, size N / 6.75, 5.4g. Accompanied by a gemmologic

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 DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

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

IMPORTANT 8.33 ct. BLUE SAPPHIRE AND DIAMOND RING, set with a central cushion cut blue sapphire of 8.33 ct. Flanked by baguette cut diamonds on the shoulders totalling approx. 0.75 ct. Size O. 8.3 gra

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the

NO RESERVE - A SAPPHIRE AND DIAMOND DRESS RING, Cushion cut and oval cut blue sapphires, approximate total 2.40-2.60 carats, Rose cut diamonds, No assay marks, Size N / 6.75, Weight 4.9 grams

14kt Yellow Gold Sapphire & Diamond Ring Size 6, featuring an antique cushion cut cornflower blue sapphire (12.5ct tgw - medium light blue color) surrounded by a halo of round diamonds (I-SI2 approx.

A diamond and sapphire cluster ring, the old cushion cut diamond, estimated weight 0.55cts, claw set in a flying border of continuous millegrain collet set round cut sapphires to fleur-de-lys shoulder

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold, set with a cushion cut sapphire of 4.79 carats in a cluster of round brilliant cut diamonds, no assay marks, size K1/2 / 5.5, 6.7g. A

NO RESERVE - A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in yellow gold, set with a cushion cut blue sapphire of 3.49 carats accented by rose cut diamonds, on a twisted wire band, no assay marks, size

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.

18 kt. White Gold, Unheated Ceylon Sapphire and Diamond Ring, center prong set cushion mixed cut unheated Ceylon blue sapphire, wt. approx. 11.31 cts., approx. 13.73 x 10.75 x 7.41 mm; shoulders with

BLUE TOPAZ, DIAMOND AND SAPPHIRE RING Containing one cushion checkerboard cut blue topaz measuring approximately 11.95 x 12.00 x 7.35 mm, 28 single cut diamonds and 27 round mixed cut sapphires. Mount

A sapphire and diamond cluster ring. The cushion-shape sapphire, within a rose-cut diamond stepped surround. Ring size O1/2. Weight 4gms.