An opal and diamond cluster ring.Estimated dimensions

A pair of opal and diamond cluster earrings. Estimated opal dimensions 4.9 by 5mms and 4.8 by 5mms respectively. Estimated total diamond weight 1.40cts.Length 1cm. 3.4gms.

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,

Two 18ct gold diamond and gem-set rings. To include an oval opal cabochon single-stone ring with brilliant-cut diamond stepped sides, together with a ruby and diamond cluster ring. Estimated total dia

18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring size T, 24 small but high grade diamonds. Opal measures 16mm x 11mm.

A mid 20th century 18ct gold amethyst and brilliant-cut diamond cluster ring.Estimated total diamond weight 0.50ct, G-H colour, VS-SI clarity.Stamped 18ct. Ring size J. 3.8gms.

This is a vintage ladies ring made by the Fine Jewelers Guild (FJG). Rendered in fine 18K yellow gold, this biomorphic ring features a cluster of six Australian opal cabochons with striking red, green

An 18ct gold synthetic pink sapphire and diamond cluster ring.Estimated total diamond weight 0.20ct.Hallmarks for London.Ring size L. 2.9gms.

Three 9ct gold diamond and gem-set rings. To include a diamond chevron ring, a diamond and sapphire three-stone ring, with a tanzanite and diamond cluster ring. Estimated total diamond weight 0.60ct.

Two diamond rings. To include a brilliant-cut diamond five-stone ring. with an old-cut diamond cluster ring. Estimated total diamond weight 0.50ct. Weight 3.5gms.

Three 9ct gold diamond and gem-set rings. To include a sapphire and diamond cluster ring, a diamond and gem-set floral dress ring, together with an amethyst and diamond cluster ring. Estimated total d

A GROUP OF FOUR RINGS comprising A MID-19TH CENTURY GREEN PASTE CLUSTER RING, unmarked, ring size K1/2, 1.2 grams; A DIAMOND CLUSTER RING, estimated total diamond weight 0.25ct, marked '18CT', ring si

Three 9ct gold diamond and gem-set rings. To include a single-cut diamond half eternity ring, a single-cut diamond dress ring, together with a sapphire and diamond cluster ring. Estimated total diamon

Two 9ct gold diamond rings. To include a diamond single-stone ring, together with a brilliant-cut diamond cluster ring. Estimated total diamond weight 0.35ct. Hallmarks for London and Birmingham. Weig

OPAL AND DIAMOND CLUSTER RING. High carat gold and platinum.Vibrant opal with good play of color (12 x 10 mm).Diamonds bright and lively.Size N.3.1 grams.

OPAL AND DIAMOND CLUSTER RING The circular opal cabochon within a cushion-shaped diamond surround, within closed back settings, diamonds approx. 1.20cts total, ring size approx. L½

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)

BOULDER OPAL AND DIAMOND CLUSTER RING The oval boulder opal within a radiating surround set with brilliant-cut diamonds, ring size approx. N

LARGE OPAL AND DIAMOND CLUSTER RING, Set with a large opal of approx. 6.92 ct. Surrounded with diamonds totalling approx. 0.52 ct. L. head 20.5 mm. Size N. 5.7 grams.

OPAL AND DIAMOND CLUSTER RING The oval opal cabochon, within a brilliant-cut diamond surround, ring size approx. M

PAIR OF OPAL AND DIAMOND CLUSTER EARRINGS, set to the center with an oval opal, surrounded with diamonds totalling approx. 1.60 ct. L. 1.4 cm. 7.5 grams.

PAIR OF OPAL AND DIAMOND CLUSTER EARRINGS, set to the center with an oval opal, surrounded with diamonds totalling approx. 1.60 ct. L. 1.4 cm. 7.5 grams.

AN OPAL AND DIAMOND CLUSTER RING in 18ct white gold, set with a cabochon opal of 9.50 carats in a border of round brilliant cut diamonds, the band accented by further diamonds all totalling 0.65 carat

An opal and diamond cluster ring. The oval-shape opal, within a vari-cut diamond surround and shoulders. Ring size N. Weight 7.7gms. Overall condition fair to good. Some surface scratches/ wear, disco

A PAIR OF OPAL AND DIAMOND CLUSTER EARRINGS in 18ct white gold, each set with a cabochon opal in a cluster of round brilliant cut diamonds, suspending a further opal and diamond cluster, stamped 750,