An oval-shape old-cut diamond single-stone ring. Estimated diamond weight 4cts, K-L colour, P1

A diamond single-stone ring. The old-cut diamond, with tapered shoulders and plain band. Estimated diamond weight 0.90ct, K-L colour, P1 clarity. Ring size P. Weight 3.6gms.

A diamond single-stone ring. Of bi-colour design, the old-cut diamond, with tapered shoulders. Estimated diamond weight 0.45ct, K-L colour, SI2-P1 clarity. Ring size J1/2. Weight 2.7gms.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 0.65ct, K-L colour, P1 clarity. Hallmarks for Birmingham. Weight 3g

A diamond single-stone ring. The circular-cut diamond, to the plain band. Estimated diamond weight 0.90ct, K-L colour, P1 clarity. Weight 2.5gms.

An early 20th century 18ct gold diamond single-stone ring. The old-cut diamond, with scalloped mount and tapered shoulders. Estimated diamond weight 0.50ct, L-tinted colour, P1 clarity. Hallmarks for

A diamond single-stone ring. The brilliant-cutdiamond, within an illusion setting, to thegeometric shoulders and plain band. Estimateddiamond weight 0.30ct, K-L colour, P1-P2 clarity.Weight 3.3gms.

An 18ct gold diamond single-stone ring. The old-cut diamond, with foliate gallery and plain band. Estimated diamond weight 0.50ct, J-K colour, P1-P2 clarity. Hallmarks for London, 1989. Ring size J. W

A diamond single-stone ring. The old-cut diamond, with plain band. Estimated diamond weight 0.45ct, J-K colour, PI clarity. Ring size L. Weight 1.7gms.

An 18ct gold diamond single-stone ring. The rectangular-shape diamond, to the tapered shoulders and plain band. Estimated total diamond weight 5-5.25cts, K-L colour, P1 clarity. Hallmarks for Birmingh

A sapphire and diamond five-stone ring. The alternating oval-shape sapphire and old-cut diamond line, inset to the tapered band. Estimated total diamond weight 0.40ct, H-I colour, SI2-P1 clarity. Ring

A diamond three-stone ring. The old-cut diamond line, with tapered shoulders. Estimated total diamond weight 0.50ct, principal diamond estimated K-L colour, P1 clarity. Ring size P. Weight 2.1gms.

A diamond and ruby dress ring. Of oval outline, the old-cut diamond, with calibre-cut ruby surround and brilliant-cut diamond halo. Principal diamond estimated weight 0.80ct, K-L colour, SI2-P1 clarit

(1345) A platinum diamond single-stone ring. The square-shape diamond, with tapered shoulders. Diamond weight 0.47ct, stamped to band, estimated K-L colour, SI2-P1 clarity. Hallmarks for London. Ring

A platinum diamond single-stone ring. The rectangular-shape diamond, to the knife-edge sides and plain band. Diamond weight 0.34ct, stamped to band, estimated K-L colour, P1 clarity. Hallmarks for Bir

A late Georgian gold old-cut diamond single-stone ring, with later Victorian band.Estimated diamond weight 0.30ct, I-J colour, P1 clarity. Ring size Q. 2.6gms.

A mid Victorian 18ct gold old-cut diamond single-stone ring.Diamond estimated weight 0.90ct, based on estimated dimensions of 8.9 by 7.7 by 2.1mms, estimated I-J colour, P1 clarity.Hallmarks for Birmi

An 18ct gold diamond single-stone ring. The oval old-cut diamond, with tapered band. Estimated diamond weight 1ct, tinted colour, SI clarity. Hallmarks for Birmingham, 1991. Ring size N. Weight 2.6gms

A diamond single-stone ring. The brilliant-cut diamond, to the tapered band. Estimated diamond weight 0.60ct, K-L colour, VS2-SI1 clarity. Weight 3.4gms.

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

A diamond single-stone ring. The old-cut diamond, with tapered shoulders and band. Estimated diamond weight 0.55ct, J-K colour, P2 clarity. Ring size J. Weight 2.7gms.

A diamond single-stone ring. The old-cut diamond collet, inset to the openwork foliate band. Estimated diamond weight 0.50ct, tinted colour, P1-P2 clarity. Ring size T. Weight 5.6gms.

A diamond single-stone ring. The brilliant-cut diamond, to the tapered band. Estimated diamond weight 1.10cts, J-K colour, P1 clarity. Weight 3.7gms.

An 18ct gold diamond single-stone ring. The marquise-shape diamond, to the tapered shoulders and plain band. Estimated diamond weight 1.10ct, L-tinted colour, SI2-P1 clarity. Hallmarks for Birmingham.

A diamond single-stone ring. The old-cut diamond, to the plain band. Estimated diamond weight 0.55ct, J-K colour, SI clarity. Weight 3.1gms.