An Edwardian opal and diamond half-hoop ring, comprising three graduated oval-cut precious opals

A three stone half hoop fire opal and diamond ring, the oval cut opal in claw mounts with round brilliant cut diamonds to each side, on plain 9ct gold shank, together with three further gem-set rings

A LATE 19TH CENTURY OPAL AND DIAMOND RING three graduated oval opals spaced by old-cut diamonds, to carved shoulders. Estimated total diamond weight 0.30ct, marked ‘18CT’, ring size M, 4.0

ANTIQUE OPAL AND DIAMOND RING set with three graduated oval cabochon opals and old cut diamonds, size M / 6, 6.0g.

An Edwardian sapphire and diamond 18ct gold five stone half hoop ring, the five slightly graduated oval and circular cut sapphires claw mounted with pave set diamond accents, carved mounts, Size N1/2,

A VICTORIAN OPAL AND DIAMOND RING three graduated oval opals spaced by pairs of old-cut diamonds, to forked shoulders. Estimated total diamond weight 0.15ct, marked '18', ring size N1/2, 3.0 grams On

NO RESERVE - AN ANTIQUE OPAL AND DIAMOND DRESS RING, Made in yellow gold, Three graduated oval cabochon opals, Old European brilliant cut diamonds (one replaced with a round brilliant cut diamond), No

An Edwardian 18ct gold opal and diamond seven-stone ring. The graduated oval opal cabochon line, with single-cut diamond line spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

An early 20th century 18ct gold opal and diamond three-stone ring. The graduated oval opal cabochon line, with old-cut diamond double spacers. Estimated total diamond weight 0.10ct. Ring size L1/2. We

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three graduated oval opal cabochons, punctuated by pairs of old mine cut diamonds, British hallmarks for Birmingham, 1890, size S / 9, 5.

An opal three-stone and diamond ring. The graduated oval black opal cabochon line, with old-cut diamond double spacers and stylised foliate shoulders. Estimated total diamond weight 0.10ct. Ring size

Comprising a pair of Edwardian oval opal, natural seed pearl stud earrings; An oval opal and transitional-cut diamond foliate ring, approx. .26 ct. TW.; La Triomphe oval opal, single-cut diamond, appr

An Edwardian 18ct gold graduated opal three-stone ring, with old-cut diamond spacers. Estimated total diamond weight 0.15ct.Hallmarks for Birmingham, 1905. Ring size O1/2. 5.3gms.

A seven stone ruby and diamond half hoop ring, the the slightly graduated oval cut rubies in claw mounts with four stone brilliant cut diamond accents, to a plain shank; size Q 3.3 grams

10K yellow gold, green opal, and diamond ring, with three oval-cut faceted 6mm x 4mm green opals accented by two small single-cut round diamonds approx: 0.02 ct tw, marked: "INDIA / SGL / 10K." 0.875"

DESCRIPTION: A Shalom Bensoor 14k yellow gold ring featuring in a satin finish, inset along the setting with three oval cut Opals, further accented with .10 Diamonds amounting to .40 cts Total. Stampe

estate 14K yellow Gold ring comprising of an oval cut fire gold opal. 1.59 ctw and both round and baguette accent diamonds. maker touchmark on interior.

An early 20th century 18ct gold opal and diamond ring. The graduated oval opal cabochon line, with old-cut diamond line spacers and tapered shoulders. Hallmarks for Birmingham. Ring size Q1/2. Weight

An Edwardian 18ct gold opal and diamond ring. The oval-shape opal line, with old-cut diamond spacers and scrolling gallery. Estimated total diamond weight 0.15ct. Hallmarks for London, 1903. Ring size

An Edwardian opal and diamond ring. The graduated circular opal cabochon line, with old-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for Birmingham, 1908. Weight 2.6gms

Edwardian ring made of 18K Yellow Gold (marked) and set in its center with an oval cut Opal flanked by a halo of diamonds weighing a total of approximately 0.1 Carats. Front dimensions: approximately

One coloured diamond ring and a half eternity ring, comprising a 9ct gold coloured diamond three stone ring, with graduated round brilliant cut diamonds of light brown colour, to a plain flat section

AN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, s

An 18ct gold opal and diamond three-stone ring. The oval opal cabochon line, with single-cut diamond double spacers, to the scrolling sides and plain band. Hallmarks for London, 1961. Weight 4.9gms.

OPAL AND DIAMOND BANGLE AND RING, CIRCA 1900 Each set with a graduated row of oval cabochon opals, accented by single-cut diamonds, ring size approx. L½, bangle inner circumference 17.0cm, bangle