A platinum brilliant-cut diamond single-stone ring.Estimated diamond weight 0.90ct, G+ colour, VS

A diamond single-stone ring. The brilliant-cut diamond, with crossover gallery and tapered shoulders. Estimated diamond weight 0.75ct, G-H colour, VS clarity. Ring size N. Weight 3.6gms.

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 brilliant-cut diamond single-stone ring. Estimated diamond weight 0.25ct, H-I colour, P1 clarity. Hallmarks for London. Ring size K1/2. 2.6gms.

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.

Three rings. To include a brilliant-cut diamond collet single-stone ring, together with an 18ct gold and 9ct gold band ring. Estimated diamond weight 0.15ct, J-K colour, SI clarity. Hallmarks for Lond

A brilliant and single-cut diamond crescent moon brooch.Estimated total diamond weight 0.45ct, G-I colour, VS-SI clarity.Length 3.1cms. 3.1gms.

Art Deco style, approx. 192 old European, round brilliant and single cut diamonds estimated total weight 4.0cts., G-I, VS to SI, tested platinum, hand inscribed "15001", 1/2 in. wide, 6-3/4 in. lg., 2

A diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 1ct, tinted colour, VS clarity. Weight 2.1gms.

A diamond single-stone pendant. The brilliant-cut diamond collet, suspended from an openwork surmount. Estimated total diamond weight 0.30ct, Tinted colour, VS clarity. Length 1.2cms. Weight 0.9gms. O

A diamond single-stone ring. The brilliant-cut diamond, to the plain band. Estimated diamond weight 0.60ct, tinted colour, VS clarity. Weight 2.7gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, within an illusion mount, to the plain band. Estimated diamond weight 0.20ct, tinted colour, VS clarity. Hallmarks for London, 1978.

A diamond single-stone ring. The brilliant-cut diamond, with stylised petal surround and tapered band. Estimated diamond weight 0.25ct, H-I colour, VS clarity. Italian marks. Ring size I1/2. Weight 2.

A diamond single-stone ring. The brilliant-cut diamond, within a square-shape surround and geometric engraved shoulders. Estimated diamond weight 0.25ct, J-K colour, VS clarity. Ring size O. Weight 3.

A diamond single-stone ring. The brilliant-cut diamond, with square-shape diamond line sides, to the angular shoulders. Principal diamond estimated weight 0.25ct, H-I colour, VS clarity. Ring size M.

An Edwardian platinum old-cut diamond floral cluster ring.Estimated total diamond weight 0.90ct, G-H colour, predominantly SI1-P1 clarity. Stamped PLAT. Ring size K. 3.2gms.

A diamond single-stone crossover ring. The brilliant-cut diamond, to the similarly-cut diamond line asymmetric shoulders and tapered band. Principal diamond estimated weight 0.30ct, H-I colour, VS cla

A mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. Weight

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with similarly-cut diamond line band. Estimated total diamond weight 0.50ct, principal diamond estimated H-I colour, VS clarity. Hall

A diamond single-stone ring. The brilliant-cut diamond, with similarly-cut diamond line sides, to the plain band. Principal diamond weight 0.22ct, stamped to band, estimated L-tinted colour, VS clarit

A platinum diamond single-stone ring. The brilliant-cut diamond, to the asymmetric shoulders. Estimated diamond weight 0.30ct, I-J colour, SI2-P1 clarity. Hallmarks for Birmingham. Ring size N. Weight

A platinum diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 2.35cts, I-J colour, P3 clarity. Hallmarks for London, 2004. Weight 5

A platinum diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Diamond weight 0.16ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks for London. Weight 3

A platinum diamond single-stone ring. The brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.

A platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.