A single-stone diamond ring; the princess-cut diamond in raised four claw mount with bifurcated

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, within a raised four-claw setting, to the plain band. Diamond weight1.01ct, stamped to band, estimated J-K colour, P2 clarity. Hallma

A 1.60ct diamond single stone ring, the round brilliant cut diamond, estimated weight 1.65cts in a four claw raised setting with plain tapered shank size M, in white on yellow metal stamped '18ct, Pla

SINGLE STONE DIAMOND RING The Asscher-cut diamond, weighing 4.59cts, in a four-claw setting, ring size S

A SINGLE STONE DIAMOND RINGThe step cut diamond with canted corners weighing 3.11 carats, in a four claw setting, set above two baguette cut diamond set shoulders, the shank stamped 18ctSize/dimension

A single stone diamond ring, the round brilliant cut diamond, estimated weight 0.80ct, in a four claw Tiffany style setting, to plain shoulders and shank, size P, unhallmarked yellow metal tests to at

A SINGLE STONE DIAMOND RING LONDON 1982The step cut diamond with canted corners weighing 5.99 carats, in four claw settings, AJR Studio Ltd maker's mark and later signed BoucheronSize/dimensions: fing

A DIAMOND SINGLE-STONE RING The brilliant-cut diamond weighing 0.75ct within a four-claw setting to a plain gold hoop, mounted in 18K gold, ring size L Please note that the diamond is laser inscribed

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

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 diamond single stone ring, the brilliant cut diamond, weighing 2.14 carats, in a four claw setting, finger size P 1/2

A diamond single stone ring, the brilliant cut diamond, estimated to weigh 1.00 carat, in four claw setting, stamped 950, finger size K 1/2

A DIAMOND SINGLE-STONE RING, BY BULGARI The central brilliant-cut diamond weighing 0.79ct within a four-claw setting, to a gallery pavé-set with similarly-cut diamonds, mounted in platinum, signe

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

A seven stone ruby and diamond half hoop ring, the the slightly graduated oval cut rubies in claw mounts with four stone brilliant cut diamond accents, to a plain shank; size Q 3.3 grams

A Belle Epoque, emerald and diamond cluster ring, the central step-cut emerald with multiple claw mounts emanating from single stone, old brilliant cut diamonds set in teardrop shaped mounts to form a

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

Single stone diamond ring, mounted in hallmarked 9ct yellow gold, central brilliant cut diamond, six claw set, with three small brilliant cut diamonds set to each shoulder, finger size N 1/4, gross we

A SINGLE STONE DIAMOND RINGThe brilliant cut diamond weighing 2.78 carats, in an eight claw settingSize/dimensions: finger size N Gross weight: 2.8 grams

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 single stone diamond ring, claw set round brilliant cut diamond, approximate diameter 4.8mm, estimated approximate weight 0.40ct, tapered chenier shoulders, size I½, unmarked, tested as 18ct

A LATE VICTORIAN SINGLE STONE DIAMOND RING CIRCA 1900The cushion cut diamond weighing 3.71 carats in a claw setting, to a reeded shank Size/dimensions: finger size I 1/2Gross weight: 4.1 grams

AN 18 CARAT GOLD AND DIAMOND THREE STONE RING LONDON 1987The old European cut diamonds in four claw settings, approximately 1.00 carat total, maker's mark JABSize/dimensions: finger size N 1/2Gross we

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 diamond single-stone ring. The brilliant-cut diamond, within an elongated claw setting, to the tapered band. Estimated diamond weight 1.10ct, I-J colour, P1-P2 clarity. Ring size Q. Weight 3.6gms.