A 22ct gold diamond single-stone ring. The old-cut

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

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

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 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 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

(1402) A late Victorian 18ct gold diamond single-stone ring. The old-cut diamond, inset to the plain band. Estimated diamond weight 0.20ct. Hallmarks for London, 1890. Ring size O1/2. Weight 6.8gms.

A late Victorian 18ct gold diamond single-stone ring. The old-cut diamond, star-set to the kite-shape panel, with plain band. Hallmarks for Birmingham, 1892. Ring size J. Weight 2.5gms.

An early 20th century 18ct gold diamond single-stone ring. The old-cut diamond, with openwork surround and grooved shoulders. Estimated diamond weight 0.10ct. Ring size K1/2. Weight 2.7gms. Overall co

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 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

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 early 20th century 9ct gold old-cut diamond single-stone ring.Estimated diamond weight 0.35ct, H-I colour, SI clarity.Ring size K1/2. 1.6gms.

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

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

Two items of jewellery. To include an 18ct gold old-cut diamond single-stone collet ring, together with a pair of graduated sphere motif earrings with bead and pierced gallery accents. Estimated diamo

An assortment of five dress rings. To include an 18ct gold old-cut diamond five-stone ring, a 9ct gold brilliant-cut diamond single-stone ring, a synthetic ruby and cubic zirconia accent hand ring, to

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

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

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

DIAMOND SINGLE STONE RING, in 18 ct. gold. Set with an old cut diamond of approx. 0.50 ct. The openwork head and shoulders of part scrolling relief design. Size M. 3.3 grams.

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.

18k white gold Centers one old European-cut diamond gauged at 4.74mm x 4.72mm x 2.68mm weighing approximately 0.38ct. and graded J-K color and SI clarity finished with filigree and engraved shoulders

An antique 18K white gold three-stone ring with a center, old European cut diamond weighing approximately .20ct and two single cut, .01ct, side stones, size 8.25 (ring could be sized)