A square-shape diamond single-stone ring, with brilliant-cut diamond gallery and shoulders.Principal

A diamond single-stone ring. The brilliant-cut diamond, with square-shape diamond line sides, to the angular shoulders. Principal diamond estimated weight 0.25ct, H-I colour, VS clarity. Ring size M.

An 18ct gold diamond single-stone ring. The brilliant-cut diamond, with square-shape surround and tapered shoulders. Estimated diamond weight 0.25ct, H-I colour, SI2-P1 clarity. Hallmarks for Birmingh

An 18ct gold diamond single-stone ring. The square-shape diamond, between brilliant-cut diamond tapered line sides. Principal diamond estimated weight 0.20ct, H-I colour, SI2-P1 clarity. Hallmarks for

A diamond single-stone ring. The brilliant-cut diamond, within a square-shape surround and geometric engraved shoulders. Estimated diamond weight 0.25ct, J-K colour, VS clarity. Ring size O. Weight 3.

An 18ct gold diamond single-stone ring and a loose diamond. To include a brilliant-cut diamond single-stone ring, together with a loose square-shape diamond. Estimated total diamond weight 0.55ct, J-K

A diamond single-stone ring. The brilliant-cut diamond, with crossover gallery and tapered shoulders. Estimated diamond weight 0.75ct, G-H colour, VS clarity. Ring size N. Weight 3.6gms.

A diamond single-stone ring. The brilliant-cut diamond, with openwork gallery and textured shoulders. Estimated diamond weight 0.50ct, tinted colour, SI2-P1 clarity. Ring size L. Weight 2.5gms.

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

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

DIAMOND SINGLE-STONE RING Set with a brilliant-cut diamond, between similarly-cut diamond shoulders, principal diamond approx. 1.50cts, ring size approx. K½

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 heliodor and diamond single-stone ring. The rectangular-shape heliodor, with brilliant-cut diamond shoulders. Estimated total diamond weight 0.10ct. Ring size N. Weight 3.7gms.

Two 18ct gold diamond rings. The first designed as a brilliant-cut diamond single-stone ring with bifurcated shoulders, the second designed as three marquise-shape glass-filled rubies with brilliant-c

Two gem-set rings. To include an 18ct gold brilliant-cut diamond single-stone ring, together with a circular-shape colourless gem abstract ring. One with hallmarks for Sheffield. Total weight 6gm.

A diamond three-stone ring. The graduated brilliant-cut diamonds, each within a square-shape surround, to the asymmetric shoulders. Estimated total diamond weight 0.30ct. Weight 3.6gms.

A diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the dia

(18287) A single-stone diamond ring. The tapered band, to the square setting, with claw-set brilliant-cut diamond. Estimated diamond weight 0.65ct, J-K colour, P2 clarity. Ring size P. Weight 7.9gms.

An 18ct gold sapphire and diamond five-stone ring. Designed as a graduated vari-shape sapphire line, with brilliant-cut diamond spacers and carved scrolling gallery. Hallmarks for London, 1968. Ring s

An 18ct gold emerald and diamond five-stone ring. The alternating graduated circular-shape emerald and brilliant-cut diamond line, to the scrolling gallery and plain band. Estimated diamond weight 0.1

14k yellow gold, ruby, and diamond band ring featuring (38) square shape red rubies weighing approx. 1.20cts and accented with (24) round brilliant cut diamonds weighing approx. 0.70cts, I-2 clarity a

DIAMOND SINGLE-STONE RING, MID 20TH CENTURY The fancy octagonal-cut diamond, weighing 8.25 carats, in a raised setting, the shoulders and quatrefoil gallery set with old brilliant and single-cut diamo

A group of gold or white gold ringsincluding two ten karat white gold rings set with colorless stone or single-cut diamonds; two fourteen karat gold rings set with round brilliant-cut diamonds or oval

Magnificent diamond three-stone ring created by Lawrence Graff. Features a 10.62-carat natural fancy yellow cut-cornered square modified brilliant cut diamond flanked by two calf's head shape faceted

An early 20th century 18ct gold sapphire and diamond five-stone ring. The alternating circular--shape sapphire and single-cut diamond line, with openwork gallery and scrolling shoulders. Hallmarks for