A diamond single-stone ring and a diamond crossover

A diamond single-stone crossover ring. The brilliant-cut diamond, to the similarly-cut diamond line asymmetric shoulders and tapered band. Principal diamond estimated weight 0.30ct, H-I colour, VS cla

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.

An 18ct gold diamond single-stone ring. The marquise-shape diamond, with crossover shoulders. Estimated diamond weight 0.35ct, H-I colour, SI clarity. Hallmarks for Birmingham. Ring size G 1/2. Weight

(1920) Two gold diamond rings. To include an 18ct gold brilliant-cut diamond single-stone ring, with similarly-cut graduated line sides and a 9ct gold diamond crossover band ring. Total diamond weight

A selection of four 9ct gold diamond and gem-set rings. To include a diamond single-stone ring, an amethyst and diamond crossover ring, a sapphire and diamond band ring, together with a ruby and diamo

Two diamond rings. To include a brilliant-cut diamond single-stone ring, together with a 9ct gold diamond three-stone crossover ring. Estimated total diamond weight 0.45ct, principal diamond estimated

Two mid 20th century gold diamond rings. To include an illusion-set brilliant-cut diamond single-stone ring with foliate shoulders, together with a 9ct gold similarly-set diamond crossover ring with g

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

Five gold gem-set rings. To include an early 20th century platinum and 18ct gold single-cut diamond three-stone crossover ring, an early 20th century 18ct gold and platinum synthetic ruby dress ring,

Three gem-set rings. To include a mid 20th century synthetic sapphire single-stone ring, a graduated diamond five-stone ring, together with a graduated diamond three-stone crossover ring. One AF. Esti

A selection of three diamond dress rings. To include a graduated circular-cut diamond collet three-stone crossover ring, a marquise-shape single-cut diamond cluster ring, together with an old-cut diam

A diamond three-stone crossover ring. The brilliant-cut diamond line, to the single-cut diamond asymmetric shoulders and plain band. Principal diamonds estimated total weight 0.60ct, K-tinted colour,

A diamond three-stone crossover ring. The brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight 0.60ct. Weight 3gms.

A mid 20th century turquoise and diamond five-stone ring. The old-cut diamond, with circular turquoise cabochon and single-cut diamond sides, to the crossover shoulders. Estimated total diamond weight

A mid 20th century turquoise and diamond five-stone ring. The old-cut diamond, with circular turquoise cabochon and single-cut diamond sides, to the crossover shoulders. Estimated total diamond weight

DIAMOND TWO-STONE RING Of crossover design, set with two old brilliant-cut diamonds between single-cut diamond shoulders, principal diamonds approx. 0.85cts and 0.80cts, ring size approx. H½ For

Two mid 20th century 18ct gold diamond and gem-set rings. To include a circular-shape sapphire and single-cut diamond cluster ring, together with a graduated rose-cut diamond three-stone crossover rin

An 18ct gold rectangular-shape diamond single-stone ring.Diamond weight 5.76cts, estimated tinted 'light yellowish brown' colour, SI2-P1 clarity.Hallmarks for London, 2011. Ring size M. 5.1gms.

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

JOHN DONALD: DIAMOND SINGLE-STONE RING AND DIAMOND-SET DRESS RING, 1990-2002 1st: Set with a pear-shaped diamond, between openwork abstract shoulders, mounted in 18 carat gold, 2nd: Of openwork bomb&#

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

An 18ct gold brilliant-cut diamond single-stone ring. Estimated diamond weight 0.25ct, H-I colour, P1 clarity. Hallmarks for London. Ring size K1/2. 2.6gms.