Sapphire and diamond cushion cluster ring, the central

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

DIAMOND AND SAPPHIRE CLUSTER RING, EARLY 20TH CENTURY The central cushion-shaped diamond, weighing 1.65 carats, within borders of calibré-cut sapphires and single-cut diamonds, ring size Q Footno

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,

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

An early 20th century sapphire and diamond cluster ring, the central rectangular facetted sapphire surrounded by twelve pavé set old single cut diamonds in a scalloped edged setting with low pierced

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 PINK SAPPHIRE AND DIAMOND CLUSTER RING, composed of a central oval-shaped pink sapphire within a baguette-cut diamond surround to similarly-cut and single-cut diamond shoulders, mounted in 18K gold,

CERTIFICATED 4.95 SAPPHIRE AND DIAMOND CLUSTER RING, set with a central rectangular blue sapphire of approx. 4.95 ct. Surrounded by 14 rose cut diamonds. Size M 1/2. 3.9 grams. Accompanied by GCS Lond

ANTIQUE PINK SAPPHIRE AND DIAMOND CLUSTER RING, set with a central pink sapphire of approx. 0.76 ct. Flanked by diamonds totalling approx. 0.96 ct. Size M. 3.1 grams. Accompanied by GCS London report

SAPPHIRE AND DIAMOND CLUSTER RING, set with a central blue sapphire of approx. 1.26 ct. Surrounded by diamonds totalling approx. 0.12 ct. Size K. 3.6 grams.

SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire, within a brilliant-cut diamond surround, between heart-shaped diamond cluster shoulders, heart shaped diamonds approx. 0.50ct total, ring

SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire within a cushion-shaped diamond surround, diamonds approx. 2.30cts total, ring size approx. M

An Art Deco diamond and sapphire cluster ring, the central square, step cut sapphire in millegrain mount to open work Greek key oval frame, set throughout with tweleve old brilliant cut diamonds in sq

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.

A diamond cluster ring, the central cushion cut diamond estimated to weigh 0.88 carats, within a surround of old brilliant cut diamonds, to trifurcated shoulders, finger size K 1/2

A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing 5.70cts set in a four-claw setting within a brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.20cts, r

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

A Ceylon sapphire and diamond cluster ring. The cushion-shape sapphire, weighing 9.43cts, with brilliant-cut diamond stepped surrounds, to the openwork shoulders. With report 78151-38, dated 11th Apri

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

A sapphire and diamond cluster ring. The cushion-shape green sapphire, within a brilliant-cut diamond surround. Estimated sapphire dimensions: 10.3, by 7.9, by 4.2mms. Estimated total diamond weight 1

A Ceylon sapphire and diamond cluster ring. The cushion-shape sapphire, weighing 2.08cts, with single-cut diamond surround. Accompanied by report number 5776-7039, dated 26th September 2016, from the

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