Single stone old cut diamond ring, mounted in unmarked

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.

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 claw-set with an old round-cut diamond, each shoulder set with eight-cut diamonds, to a plain band, unmarked; together with a diamond-set half-eternity ring, stamped PLAT(R

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

Antique old cut diamond and pearl cluster ring, mounted in unmarked rose coloured metal tested as 9ct gold, central old cut diamond surrounded by eight pearls, finger size N, gross weight approximatel

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 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 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.

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 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

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 old-cut diamond single-stone ring.Estimated diamond weight 2cts, tinted colour, P2 clarity.French assay mark. Ring size M1/2. 3.7gms.

An old-cut diamond single-stone ring.Estimated diamond weight 1.20cts, H-I colour, P2 clarity.Stamped plat.Ring size J1/2. 3.5gms.

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.

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

Two diamond and sapphire rings. To include an 18ct gold vari-shape sapphire and old-cut diamond five-stone ring, together with an old-cut diamond single-stone ring. Estimated total diamond weight 0.50