An 18ct gold aquamarine ring, with brilliant-cut diamond mount.Aquamarine calculated weight 4cts,

An 18ct gold diamond and aquamarine cluster ring. The oval-shape aquamarine, within a brilliant-cut diamond surround. Estimated total diamond weight 0.35ct. Hallmarks for London, 1978. Ring size O. We

An 18ct gold diamond and aquamarine cluster ring. The oval-shape aquamarine, with brilliant-cut diamond surround and openwork shoulders. Estimated total diamond weight 0.10ct. Hallmarks for London, 19

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered band. Diamond weight 2cts, tinted colour, P1-P2 clarity. Hallmarks for Sheffield. Ring size N1/2. Weight 3.7gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated J-K colour, P1-P2 clarity. Hallmarks for London. Ring size

An 18ct gold aquamarine and diamond ring. Designed as two circular-shape aquamarine and brilliant-cut diamond crossover clusters, with similarly-cut diamond line shoulders. Estimated total diamond wei

An 18ct gold diamond ring. The brilliant-cut diamond, inset to the tapered band. Estimated diamond weight 0.35ct, I-J colour, P1 clarity. Hallmarks for London, 1972. Ring size P1/2. Weight 10.8gms.

An 18ct gold diamond ring. The brilliant-cut diamond, with similarly-cut diamond trefoil sides. Total diamond weight 0.50ct, stamped to band, principal diamond estimated I-J colour, P2 clarity. Hallma

A mid 20th century 18ct gold diamond single-stone ring. The brilliant-cut diamond, with rose-cut diamond sides. Estimated brilliant-cut diamond weight 0.50ct, I-J colour, P1 clarity. Ring size R. Weig

An impressive single stone diamond ring, the old round brilliant cut diamond, estimated weight 2.61cts, in a plain raised six claw setting of white precious metal, tests for 18ct white gold; ring size

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered band. Estimated diamond weight 0.75ct, H-I colour, VS2-SI1 clarity. Hallmarks for London. Ring size M. Weight 8.4gms. Ov

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Estimated diamond weight 0.70ct, K-L colour, P2-P3 clarity. Hallmarks for Birmingham, 1997. Ring size N1/2. W

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.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered band. Estimated diamond weight 0.35ct, G-H colour, VS clarity. Hallmarks for Birmingham, 1987. Ring size N1/2. Weight 2.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Estimated diamond weight 0.50ct, tinted colour, P2 clarity. Hallmarks for Edinburgh. Ring size I1/2. Weight 2

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with plain band. Estimated diamond weight 0.15ct, J-K colour, SI clarity. Hallmarks for Birmingham. Ring size O 1/2. Weight 2.8gms. O

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond lozenge-shape surround, to plain band. Estimated total diamond weight 1.30cts, H-J colour, SI clarity. Hall

BULGARI - an 18ct gold 'B.Zero1' diamond ring. The brilliant-cut diamond line, with logo sides. Signed Bulgari. Estimated total diamond weight 0.70ct. Convention marks for Switzerland. Ring size O 1/2

A gentleman's 18ct gold diamond band ring. The brilliant-cut diamond, inset to the plain band with grooved edges. Diamond weight 0.40ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks fo

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 diamond cluster ring. The brilliant-cut diamond, within a similarly-cut diamond double surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for Sheffield. Ring si

An 18ct gold diamond band ring. The brilliant-cut diamond highlight, to the plain band. Estimated diamond weight 0.10ct. Hallmarks for London. Ring size T. Weight 12gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, to the tapered sides. Estimated diamond weight 0.50ct, tinted colour, SI clarity. Hallmarks for Birmingham. Ring size M1/2. Weight 5g

An 18ct gold diamond crossover ring. The brilliant-cut diamond, with similarly-cut diamond asymmetric shoulders and plain band. Estimated total diamond weight 0.40ct, I-J colour, SI clarity. Hallmarks

An 18ct gold diamond cluster ring. The brilliant-cut diamond, within a brilliant-cut diamond surround. Estimated total diamond weight 0.50ct. Import marks for London. Ring size P. Weight 3.1gms.