An opal and diamond cluster ring. The old-cut diamond,

An early 20th century gold, opal and diamond cluster ring. The heart-shape opal cabochon, with old-cut diamond surround. Estimated total diamond weight 0.45ct. Ring size N. Weight 3.6gms.

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING set with a cabochon opal in a cluster of old cut diamonds, size M / 6, 2.9g.

An early 20th century gold, opal cabochon and old-cut diamond cluster ring, estimated total diamond weight 0.80ct, I-J colour, SI clarity, opal measures approximately 13.5 by 11 by 3.9mm, ring size S,

An opal and diamond cluster ring claw-set with an oval cabochon opal, in a border of old round-cut diamonds, unmarked(Ring size: U)

AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.

A group of Early 20th Century opal and fourteen karat gold jewelryincluding a pair of floriform oval jelly opal cluster stud earrings; two rings set with oval opal cabochons or old mine-cut diamonds.

AN EDWARDIAN 18 CARAT GOLD DIAMOND CLUSTER RING old-cut diamonds in high claw settings to fancy scroll shoulders. Estimated total diamond weight 0.50ct, hallmarked Chester 1905, ring size K1/2, 3.5 gr

A diamond cluster ring. The old-cut diamond, with rose-cut diamond surround and sides. Estimated principal diamond weight 0.50ct, J-K colour, P1-P2 clarity. Ring size L1/2. Weight 3.6gms.

A diamond cluster ring. The old-cut diamond, raised within a similarly-cut diamond surround. Estimated total old-cut diamond weight 1.25cts, H-I colour, SI1-P2 clarity. Ring size R. Weight 4.2gms.

A ruby and diamond cluster ring. The old-cut diamond, with circular-shape ruby scalloped surround. Estimated diamond weight 0.90ct, I-J colour, P3 clarity. Ring size O. Weight 3.4gms.

A diamond cluster ring. The old-cut diamond, with similarly-cut diamond scalloped surround and tapered shoulders. Estimated total diamond weight 0.65ct. Ring size R. Weight 3.8gms.

A diamond cluster ring. The old-cut diamond, with rose-cut diamond surround, bar spacers and grooved shoulders. Principal diamond estimated weight 0.15ct. Ring size M1/2. Weight 4.2gms.

A diamond cluster ring. The old-cut diamond collet, to the similarly-cut diamond collet sides, within a pierced rose-cut diamond surround. Estimated total diamond weight 0.85ct. Principal diamond esti

A DIAMOND CLUSTER RING an old-cut diamond within a milgrain border of diamonds. Estimated principal diamond weight 0.80ct, estimated total diamond weight 1.10ct, marked ‘18CT PLAT’, ring s

A mid 20th century platinum diamond cluster ring. The old-cut diamond cluster, with pierced gallery and plain band. Estimated total diamond weight 1ct, I-J colour, SI clarity. French assay marks. Ring

A Georgian silver and gold, diamond cluster ring. The old-cut diamond, within a similarly-cut diamond halo. Estimated total diamond weight 1.50cts, principal diamonds estimated I-K colour, SI1-P1 clar

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond surround, to the plain band. Principal diamond estimated weight 0.75ct, tinted colour, SI clarity. R

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond cluster, to the tapered shoulders and plain band. Estimated total diamond weight 1ct. Principal diamond estimated I-J colour, SI

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond scalloped surround. Estimated total diamond weight 0.40ct, principal diamond estimated I-J colour, S

An early 20th century 18ct gold diamond cluster ring. The old-cut diamond collet, within a similarly-cut diamond and curved bar halo, to the old-cut diamond sides. Estimated total diamond weight 0.50c

A diamond cluster ring. The old-cut diamond, within a rose-cut diamond surround, to the plain band. Old-cut diamond estimated weight 0.10ct. Ring size K 1/4. Weight 2.4gms.

An 18ct gold 1970's synthetic ruby and diamond cluster ring. The old-cut diamond, within a circular-shape synthetic ruby scalloped surround, and rose-cut diamond highlights. Hallmarks for Birmingham,

An early 20th century diamond cluster ring. The old-cut diamond, within a similarly-cut diamond surround, to the later replacement tapered band. Estimated total diamond weight 0.40ct. Ring size S. Wei

A diamond cluster ring. The old-cut diamond, within a similarly-cut diamond scalloped surround, to the plain band. Estimated total diamond weight 0.30ct. Ring size S 1/2. Weight 2.5gms.