An 18ct gold sapphire and brilliant-cut diamond cluster ring.Sapphire calculated weight 4.50cts,

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 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

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

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

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 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 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

* 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 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 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 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

An 18ct gold ametrine and brilliant-cut diamond cluster ring. Ametrine weight 20.49cts. Total diamond weight 0.56ct. Hallmarks for Birmingham. Ring size N1/2. 11.3gms.

A mid 20th century 18ct gold amethyst and brilliant-cut diamond cluster ring.Estimated total diamond weight 0.50ct, G-H colour, VS-SI clarity.Stamped 18ct. Ring size J. 3.8gms.

An 18ct gold emerald and brilliant-cut diamond floral cluster ring, diamond estimated weight 0.25ct, H-I colour, SI clarity, hallmarks for London 1977, ring size L, 4g

An 18ct gold sapphire and diamond necklace. The oval-shape sapphire and brilliant-cut diamond cluster, with baguette and brilliant-cut diamond swag sides, suspended from a curb-link back-chain. Estima

A pair of 18ct gold brilliant-cut diamond cluster line and citrine drop earrings.Estimated total diamond weight 0.75ct.Hallmarks for London, 2015. Length 4.7cms. 12.4gms.

A pair of 18ct gold 'Chiocciola' sapphire and brilliant-cut diamond earrings, by de Grisogono. Estimated total diamond weight 0.80ct. With Swiss convention marks. Diameter 2.2cms. 20.7gms.

An 18ct gold diamond cluster ring. The brilliant-cut diamond floral cluster, with tapered band. Diamond weight 0.47ct, stamped to band. Hallmarks for London, 1978. Ring size J. Weight 3.2gms.

A late Victorian 18ct gold vari-shape sapphire and old-cut diamond marquise-shape cluster ring, estimated total diamond weight 1ct, hallmarks for Birmingham 1890, ring size M, 5.7g

An 18ct gold sapphire, diamond and emerald brooch, depicting a bonsai, set with circular-cut emeralds and sapphires, highlighted with brilliant-cut diamonds, measuring approximately 4x4 cms. Weight 17

An 18ct gold sapphire and diamond ring. The oval-shape sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1986. Ring size H. Weight 2.1gms.

An 18ct gold ruby and diamond ring. Designed as three circular-shape ruby and brilliant-cut diamond floral clusters. Estimated total diamond weight 0.50ct, H-I colour, SI1-P1 clarity. Import marks for

An 18ct gold diamond cluster ring. The brilliant-cut diamond cluster, with a similarly-cut diamond scalloped surround and brilliant-cut diamond double line shoulders. Estimated total diamond weight 0.

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