An 18ct gold Ceylon sapphire and brilliant-cut diamond cluster ring. Sapphire with report no.

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,

An 18ct gold sapphire and diamond floral cluster ring. The brilliant-cut diamond illusion-set diamond, within a circular-shape sapphire surround, to the textured band. Hallmarks for London, 1976. Weig

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 mid 20th century 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 weigh

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 mid 20th century 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 weigh

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

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond stepped surround, with tapered shoulders and plain band. One diamond deficient. Estimated total

* 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

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

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the replacement 18ct gold band. Estimated dimensions of sapphire: 18.9 by 15.8, by 8.1mms. Est

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

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

A VINTAGE SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 0.65 carats, in a border of round brilliant cut diamonds, full British hallmarks for 18ct gold, size K

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 4.11 carats in a cluster of round brilliant cut diamonds all totalling 1.4-1.6 carats, stamped 18

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut sapphire of 1.67 carats in a cluster of round brilliant cut diamonds, British hallmarks, size O / 7, 4.6g.

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with a pear shaped sapphire of 1.20 carats, in a cluster of round brilliant cut diamonds totalling 0.12 carats, stamped Au750, size O / 7, 3

An asymmetric diamond, sapphire and 18ct white gold cluster ring, of oval outline with one side composed of an undulating curve of six pear cut sapphires, the rest of sixteen round brilliant cut diamo

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

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

An 18ct gold sapphire and brilliant-cut diamond three-stone ring, sapphire estimated weight 2ct, estimated total diamond weight 0.40ct, estimated L-tinted colour, VS2-SI1 clarity, hallmarks for Birmin

A late Victorian 18ct gold sapphire and rose-cut diamond cluster ring, hallmarks for Birmingham 1894, numbered 1575 to inside of band, ring size P, 2.5g