Sapphire and diamond rectangular cluster ring, set with

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

Three gem-set rings. To include a sapphire and diamond cluster ring, a rectangular-shape amethyst single-stone ring, together with cameo single-stone ring. Two with hallmarks for 9ct gold. Weight 10.2

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

A SAPPHIRE AND DIAMOND RING set with a rectangular step cut blue sapphire of 1.24 carats within a cluster of old cut diamonds, no assay marks, size N / 6.5, 4.3g.

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

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 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

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

An aquamarine, sapphire and diamond cluster ring claw-set with an oval-cut aquamarine, in a border of round brilliant-cut diamonds, each shoulder set with a heart-shaped sapphire, to a plain band, sta

A sapphire and diamond cluster ring claw-set with an oval-cut sapphire, in a single border of graduated round brilliant-cut diamonds, to a plain unmarked shank (Ring size: K)

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.