An Edwardian single stone diamond ring, old mine

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

A single stone diamond ring, the old cut diamond in a six claw setting, estimated to weigh 0.51 carats, to marquise shaped shoulders, each set with an eight cut diamond, finger size L

Victorian single stone diamond ring, the old cut stone estimated at 0.50 carat, set in 18 ct gold hallmarked for Birmingham 1882-3

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

A gold single stone diamond ring, A gold single stone diamond ring, an old cut diamond, bezel set, to a round wire looped crossover surround, split shoulders and a plain double wire shank, tested as a

AN IMPORTANT DIAMOND SINGLE-STONE RING The old European-cut diamond weighing 6.94cts within a four-claw setting, to a plain hoop, ring size O Accompanied by a report from the GIA laboratory in America

A single stone old cut diamond ring, the plain shank swelling at the front and cast into a sunburst of raised rays, the tips of which form claws to hold the old cushion cut diamond, yellow metal stamp

Single stone old cut diamond ring, mounted in unmarked yellow metal tested as 9ct gold, finger size R 1/2, gross weight approximatively 2.6 grams.

An early 20th century diamond single-stone ring The old brilliant-cut diamond, weighing 4.03 carats, between tapered single-cut diamond three-stone shoulders, French assay marks(Ring size: N)

DIAMOND SINGLE-STONE RING, 1906 The old brilliant-cut diamond mounted in 18 carat gold, diamond approx. 1.10cts, UK hallmark, ring size approx. Q For further information on this lot please visit Bonha

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

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

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 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

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 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.

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