A sapphire and vari-shape diamond cluster ring. Sapphire weight 1.20cts. Total diamond weight

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

A sapphire and diamond cluster ring. The oval-shape sapphire, to the single-cut and rectangular-shape diamond sides, with single-cut diamond border. Estimated total diamond weight 0.30ct. Weight 2.6gm

A sapphire and diamond cluster ring. The oval-shape sapphire, within a circular-cut diamond surround, to the plain band. Estimated total diamond weight 2.15cts, K-tinted, SI-P1 clarity. Weight 10.1gms

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond border, to the trifurcated shoulders and plain band. Estimated total diamond weight 1

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

A sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut and rectangle-cut diamond surround, to the plain band. Estimated total diamond weight 0.55ct. Weight 4.8gms.

A sapphire and diamond cluster ring. The oval-shape sapphire collet, with single-cut diamond surround and similarly-cut diamond accent shoulders. Estimated total diamond weight 0.40ct. Ring size L1/2.

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

A sapphire and diamond cluster ring. The cushion-shape sapphire collet, within an old-cut diamond scalloped surround. Estimated total diamond weight 0.45ct. Ring size Q1/2. Weight 2.7gms.

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.30ct. Hallmarks

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire collet, within a baguette-cut diamond border. Estimated total diamond weight 0.75ct, H-I colour, VS clarity. Hallmarks for Birmi

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for London, 1976. Rin

A sapphire and diamond cluster ring. The oval-shape sapphire, with a single-cut diamond openwork surround, similarly-cut diamond border and shoulders. Estimated total diamond weight 0.30ct. Ring size

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond, illusion-set surround. Estimated total diamond weight 0.30ct. Weight 5.7gms.

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 sapphire, within an alternating single-cut diamond and circular-shape sapphire triple surround. Estimated total diamond weight 0.70ct. Ha

A sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.10ct. Ring size L1/2. Weight 3.3gms.

A sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered band. Estimated total diamond weight 0.10ct. Ring size K. Weight 4.6gms.

A sapphire and diamond cluster ring. The marquise-shape sapphire, within an illusion-set diamond surround. Estimated total diamond weight 0.15ct. Ring size M 1/2. Weight 5.4gms.

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

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.

A mid 20th century 18ct gold sapphire and diamond cluster ring. The circular-shape sapphire collet and old-cut diamond cluster with tapered band. Estimated total diamond weight 0.25ct. Ring size K1/2.