A platinum Lucida-cut diamond three-stone band ring, by Tiffany & Co.Estimated total diamond weight

A platinum sapphire and diamond three-stone ring. The rectangular-shape sapphire, with baguette-cut diamond sides. Total diamond weight 0.18ct, stamped to band. Hallmarks for Sheffield. Ring size N. W

An 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with bi-colour gallery and band. Estimated total diamond weight 0.30ct. Ring size K. Weight 1.6gms.

A platinum diamond three-stone ring. The brilliant-cut diamond line, to the openwork gallery and tapered band. Estimated total diamond weight 1.05cts, H-K colour, SI2-P1 clarity. Hallmarks for Birming

A platinum diamond three-stone ring. The brilliant-cut diamond, with similarly-cut diamond sides to the plain band. Estimated total diamond weight 1.20cts, J-L colour, SI clarity. Hallmarks for Birmin

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

A mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight

A mid 20th century platinum and 18ct gold diamond three-stone ring. The slightly graduated circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct, I-J colour, SI clarity. Ri

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

Two diamond rings. To include an 18ct gold brilliant-cut diamond three-stone ring, together with a brilliant-cut diamond line band ring. Estimated total diamond weight 0.75ct. Principal diamonds estim

An 18ct gold diamond three-stone band ring. Designed as a series of three brilliant-cut diamonds, with tapered bar intervals and plain band. Estimated total diamond weight 0.20ct. Hallmarks for London

Three 9ct gold diamond and gem-set rings. To include a brilliant-cut diamond band ring, a peridot three-stone ring and an amethyst and diamond dress. Total diamond weight 0.50ct. Hallmarks for 9ct gol

An early 20th century platinum old-cut diamond two-stone crossover ring, with asymmetric shoulders, estimated total diamond weight 0.55ct, H-J colour, SI2-P1 clarity, band stamped PLAT, ring size N, 2

A platinum graduated sapphire three-stone ring, with brilliant-cut diamond shared surround.Sapphire total weight 0.64ct.Total diamond weight 0.13ct.Hallmarks for London, 2011. Ring size M. 5.9gms.

TIFFANY & CO. - a diamond 'Signature X Kiss' ring. Designed as a brilliant-cut diamond cross, atop a grooved tapered band. Signed Tiffany & Co. Estimated total diamond weight 0.30ct. Ring size K. Weig

A PLATINUM DIAMOND THREE STONE RING graduated round brilliant-cut diamonds in claw settings. Estimated total diamond weight 3.40ct, hallmarked Sheffield (indistinct), ring size O, 6.8 grams Good co

A PLATINUM DIAMOND RING a round brilliant-cut diamond to three milgrain diamond-set bands. Estimated principal diamond weight 0.70ct, estimated total diamond weight 1.35ct, hallmarked London 2008, rin

An 18ct gold diamond three-stone ring. The brilliant-cut diamond line, with bi-colour mount. Total diamond weight 0.33ct, stamped to band. Hallmarks for London. Ring size N. Weight 3.7gms.

Diamond Platinum Three Stone Ring Stamped: Plat Emerald cut diamond weight approx. 1.00 ct Color & Clarity: F, SI2 2 Baguette Diamonds total weight approx. 0.08 ct Ring Size: 5.25 Total Weight: 3.

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, with tapered shoulders. Total diamond weight 0.33ct, stamped to band. Hallmarks for Birmingham. Ring size O. Weight 3gm

A 9ct gold diamond three-stone ring. The illusion-set, brilliant-cut diamond line, with pierced gallery and tapered band. Total diamond weight 0.25ct, stamped to band. Hallmarks for Sheffield. Ring si

A diamond three-stone ring. The old-cut diamond line, with plain band. Estimated total diamond weight 0.30ct. Ring size N. Weight 2.3gms.

A sapphire and diamond three-stone ring. The oval-shape sapphire and brilliant-cut diamonds, inset to the tapered band. Estimated total diamond weight 0.20ct. Ring size I1/2. Weight 7.6gms.

A cultured pearl and diamond three-stone ring. The cultured pearl, measuring 6.4mms, with old-cut diamond collet sides, to the plain band. Estimated total diamond weight 0.20ct. Ring size L 1/2. Weigh

An 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond diagonal line, with curved shoulders. Total diamond weight 0.33ct, stamped to band. Hallmarks for Birmingham, 1992. Ring size