SAPPHIRE AND DIAMOND CLUSTER RING set with a cabochon

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

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 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

SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cabochon sapphire in a cluster of round cut diamonds, stamped 750, size O / 7, 4.0g.

A SAPPHIRE AND DIAMOND CLUSTER RING in high carat yellow gold, set with an oval cabochon sapphire of 8.78 carats encircled by round cut diamonds 1.10-1.40 carats, unmarked, size P / 8, 8.7g.

SAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold and platinum. Set with a central cabochon cut blue sapphire, surrounded with diamonds. Size J 1/2. 2 grams.

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

AN OPAL, DIAMOND AND SAPPHIRE CLUSTER RING in yellow gold, set with a round cut sapphire in a border of round cut diamonds and cabochon opals, marked indistinctly, tests as yellow gold, size M / 6, 4.

SAPPHIRE CLUSTER RING The cabochon sapphire within a brilliant-cut diamond surround, between trifurcated shoulders set with similarly-cut diamonds, ring size approx. K

Gold and Gem-Set Ring, Manfredithe gold band with a cluster of bezel set gemstones to include a full cut round diamond, a pear cut sapphire, an oval cabochon ruby, and an oval cut citrine, stamped Ita

A selection of four 9ct gold gem-set dress rings. To include a circular opal cabochon and sapphire cluster ring, a multi gem and diamond dress ring, together with two further rings. Three with hallmar

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 Cabochon sapphire, approximately 2.40 carats Brilliant cut diamonds, approximate total 0.80 carats Marked indistinctly Size N / 6.5 4.7 grams

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

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 / ©