A SAPPHIRE AND DIAMOND CLUSTER RING set with a cushion

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 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

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

SAPPHIRE AND DIAMOND CLUSTER RING, CIRCA 1890 The navette-shaped plaque set with a cushion-shaped sapphire and cushion-shaped diamonds, diamonds approx. 1.60cts total, ring size approx. N½

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,

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 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 BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.40 carats within a cluster of round cut diamonds, no assay marks, size M / 6, 6.3g. Accompanied by two gemmological repor

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 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 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.

A SYNTHETIC SAPPHIRE AND DIAMOND CLUSTER RING set with a round cut synthetic sapphire in a cluster of round cut diamonds, no assay marks, size J / 4.75, 6.2g.

IMPORTANT SAPPHIRE AND DIAMOND CLUSTER RING, Set to the center with a large blue sapphire of approx. 13.49 ct. Surrounded with diamonds totalling approx. 1.15 ct. Size O. 8.3 grams. Accompanied by Wor

IMPORTANT SAPPHIRE AND DIAMOND CLUSTER RING, Set to the center with a large blue sapphire of approx. 13.49 ct. Surrounded with diamonds totalling approx. 1.15 ct. Size O. 8.3 grams. Accompanied by Wor

A BURMA NO HEAT CABOCHON SAPPHIRE AND DIAMOND CLUSTER RING, set with an oval cabochon sapphire of 16.06 carats surrounded by round cut diamonds, size O / 7, 19.2g. Accompanied by a gemmological report

IMPORTANT CERTIFICATED CEYLON PINK SAPPHIRE AND DIAMOND CLUSTER RING, set with a pink sapphire of 6.18 ct. Surrounded by a diamond set halo and diamonds on the shoulders. Size J. 6.2 grams. Accompanie

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

FINE ART DECO SAPPHIRE AND DIAMOND CLUSTER RING. set with a large vibrant sapphire , totalling approx 1.40 ct. surrounded by bright diamonds. size L. 3.3 grams.

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.

Vintage 14K yellow gold blue sapphire and diamond cluster ring, set with three pear-shaped and marquise shaped sapphires and three round brilliant cut diamonds; approx: 0.15 cttw., marked: "14KT / ©

BLACK STAR SAPPHIRE AND DIAMOND CLUSTER RING Set with a black cabochon star sapphire within an old brilliant-cut diamond surround, ring size approx. P For further information on this lot please visit

A RUBY AND DIAMOND CLUSTER RING set with a cushion cut ruby of 2.37 carats within a cluster of round cut diamonds, with further diamonds to the band, no assay marks, size O / 7, 3.2g.