A star sapphire and brilliant-cut diamond cluster ring. Sapphire calculated weight 5.35cts, based on

A sapphire and brilliant-cut diamond cluster ring.Sapphire calculated weight 1.58cts, based on estimated dimensions of 7.8 by 5.9 by 4.1mms.Estimated total diamond weight 0.50ct, H-J colour, SI1-P1 cl

A yellow sapphire and old-cut diamond cluster ring. Sapphire calculated weight 20.06cts, based on estimated dimension of 17.35 by 13.5 by 10.2mms.Estimated total diamond weight 1.50cts, G-H colour, pr

A 1970s 18ct gold sapphire and single-cut diamond cluster ring. Sapphire calculated weight 0.95ct, based on estimated dimensions of 7.2 by 5.2 by 3mms.Estimated total diamond weight 0.35ct.Hallmarks f

A 9ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond border, to the star engraved shoulders and plain band. Estimated total diamond weight 0.10ct. Hall

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 18ct gold diamond and sapphire cluster ring. The rectangular-shape sapphire line, with brilliant-cut diamond surround. Estimated total diamond weight 0.30ct. Hallmarks for Sheffield. Ring size M1/2

An 18ct gold sapphire and diamond cluster ring. The rectangular-shape sapphire, with brilliant cut diamond surround and grooved shoulders. Sapphire weight 1.36cts. Total diamond weight 0.59ct. Hallmar

A sapphire and diamond cluster ring. The oval-shape sapphire, with brilliant-cut diamond surround. Estimated total diamond weight 8.6 by 6.5 by 5mms. Estimated total diamond weight 0.30ct. Stamped 750

An 18ct gold sapphire and diamond cluster ring. The oval sapphire, within a brilliant-cut diamond scalloped surround and tapered band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

A sapphire and diamond cluster ring. The circular-shape sapphire, within a similarly-shaped sapphire and brilliant-cut diamond surround. Estimated total diamond weight 0.20ct. Weight 3.6gms.

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with brilliant-cut diamond border, to the textured band. Estimated total diamond weight 0.15ct. Hallmarks for London. Weight 5g

A 9ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with brilliant-cut diamond and similar shape sapphire partial surround. Hallmarks for Birmingham. Ring size N. Weight 5.4gms.

14 karat gold custom design ring with one pink star sapphire, estimated weight 5.83 carats, with 68 brilliant-cut diamonds pavé set totaling approximately 0.95 carats, size 7-1/4, 13.5 grams, wit

A sapphire and diamond cluster ring. The oval-shape yellow sapphire, with brilliant-cut diamond surround. Estimated total diamond weight 0.45ct. Ring size M1/2. Weight 6.8gms.

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond panel surround, to the similarly-set diamond shoulders. Estimated total diamond weight 0.65ct. Weight 4.4gm

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond scalloped surround, to the single-cut diamond shoulder accents. Estimated total diamond weight 0.60ct. Weig

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.85ct, I-J co

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the plain band. Estimated total diamond weight 0.25ct. Hallmarks for Birmingham, 19

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

* An 18ct gold sapphire and diamond cluster ring. The oval-shape pink sapphire, within a brilliant-cut diamond surround, to the plain band. Estimated total diamond weight 0.15ct. Hallmark for Birmingh

10 marquise-cut sapphires and 12 round brilliant-cut diamonds weighing 2ctw, all in prong settings in 14K yellow gold. Weight 5.7g. Size 7.5.

A sapphire and diamond cluster ring. The brilliant-cut diamond, with circular-shape sapphire surround. Estimated diamond weight 0.50ct, H-I colour, P1 clarity. Ring size O. Weight 4.7gms.

METAL: platinum GEMSTONE(S): round cabochon star sapphire weighing 6.00 carats; round brilliant cut diamonds weighing 1.00 carats total (carat weight stamped) MEASUREMENTS: ring top 3/4 x 3/4 inch RIN

A SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 1.10ct, ring size L1/2, 4.4 grams Accompanied by a pr