A diamond single-stone pendant. The old-cut diamond

DIAMOND SINGLE-STONE PENDANT The old brilliant-cut diamond, weighing 2.78 carats, in a six-claw setting, length 1.5cm

A diamond single-stone pendant claw-set with a single old round-cut diamond, to a trace link chain, unmarked(Estimated diamond weight: 0.40cts)

9ct chain measuring 50cm, weight 3.39g, together with an antique old cut diamond & single sapphire pendant (1 stone missing), set in white gold or platinum, weight 4.43g. Largest dia 3mm, sapphire 4mm

Lady's 2.39ctw Diamond Heart Pendant Necklace 24''. Includes a dangling center 1.6 carat Old European cut diamond of R-S color (large chip to stone). Surrounded by one full and (22) single cut diamond

A diamond single-stone ring. The old-cut diamond, with tapered shoulders and plain band, Estimated diamond weight 1.15cts, tinted colour, VS clarity. Ring size L. Weight 2.3gms. Overall condition good

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. The old-cut diamond, to the openwork shoulders and knife-edge band. Estimated diamond weight 0.60ct, I-J colour, VS2-SI1 clarity. Ring size L. Weight 1.5gms. Overall condi

A diamond single-stone ring. The old-cut diamond, with engraved shoulders and tapered band. Estimated diamond weight 0.50ct, H-I colour, VS2-SI1 clarity. Ring size J. Weight 3.3gms.

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.

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.

DIAMOND SINGLE-STONE RING The old brilliant-cut diamond, weighing 10.74 carats, in an 18 carat white and yellow gold setting, London hallmark, ring size P

A diamond single-stone pendant. The brilliant-cut diamond, weighing 2.23cts, suspended from a tapered surmount loop and 18ct gold flat trace-link chain. Accompanied by a report number 5775333, dated 1

A diamond single-stone ring. The old-cut diamond, weighing 2.04cts, to the foliate shoulders and plain band. Accompanied by report number 20024488, dated 30th June 2015, from AnchorCert stating that t

DIAMOND SINGLE STONE RING The old brilliant-cut diamond between single-cut diamond shoulders, principal diamond approx. 1.20cts, ring size approx. R For further information on this lot please visit Bo

A diamond single-stone ring. The old-cut diamond, weighing 1.26cts, to the brilliant-cut diamond surround, gallery and shoulders. Accompanied by a verbal report by AnchorCert stating the principal dia

An 18ct gold diamond single-stone pendant. The brilliant-cut diamond, suspended from a fine curb-link chain. Estimated diamond weight 1ct, J-K colour, P2-P3 clarity. Hallmarks for London. Length of pe

An early 20th century 14ct gold diamond single-stone ring. The old-cut diamond collet, to the rose-cut diamond foliate shoulders with circular-shape emerald accents. Principal diamond estimated weight

A diamond single-stone ring. The old-cut diamond, weighing 0.71ct, to the floral engraved shoulders and pierced floral sides. Principal diamond estimated tinted colour, SI clarity. Weight 2.4gms.

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.

A diamond single-stone pendant. The brilliant-cut diamond collet, suspended from an 18ct gold spiga-link chain. Estimated diamond weight 0.40ct, H-I colour, SI clarity. Chain with hallmarks for Birmin

An 18ct gold diamond single-stone ring. The old-cut diamond, inset to the tapered band. Estimated diamond weight 0.50ct, H-I colour, SI2-P1 clarity. Hallmarks for London, 1999. Ring size Q. Weight 7.8

A gentleman's Edwardian 18ct gold diamond single-stone ring. The old-cut diamond, within an elongated claw setting to the plain band. Estimated diamond weight 0.50ct, I-J colour, P2 clarity. Hallmarks

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