Edwardian marquise form opal and diamond 18ct gold

AN ANTIQUE EDWARDIAN OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Chester 1904, size R1/2 / 8.75, 4.0g.&

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 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 Edwardian 18ct gold opal three-stone ring, with old-cut diamond spacers. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1903, partially indistinct. Ring size N. 3.8gms.

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.

Four diamond and gem-set rings. To include an Edwardian 18ct gold turquoise five-stone and diamond ring, a 9ct gold opal and sapphire cluster ring, together with two further gem-set rings. One with ha

Brooch. Signed 14kt yellow gold owl form brooch displaying round opal cabochon eyes, a marquis cut ruby beak, and a pave diamond inlaid brow. Owl is perched atop a gold branch accented by (1) round fa

Featuring A 10k Yellow Gold With A Free Form Design Of Center Diamonds And Two Marquise Cut .18ct Rubies On Each End. Size 6.5, 2.6g

Made in the form of a floral bouquet with ribbon knot below. This piece has 48 different gem stones, including 2 diamond, several opals, rubies, pearls and more, unmarked but in three color gold that

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,

,20th Century A fiery Marquis cut center opal stone flanked by two .05 point cut diamonds in simple slender band. Weight as seen 3.3 grams.14K gold, opal 14K Ring size 6,Center stone 15 x 7mm From a E

AN ANTIQUE FIRE OPAL AND DIAMOND RING in 18ct yellow gold and silver, set with a cushion cut fire opal of 1.72 carats, within a border of single cut diamonds, stamped 18, size M / 6.25, 3.2g.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, stamped 18ct, size N / 6.75, 4.2g. 

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, inscribed JJ - H.B MCK 28/12/20, partial British hallmarks, size M / 6.25,

OPAL AND DIAMOND RING in 18ct yellow gold, set with a cushion-shaped cabochon opal in a border of round cut diamonds, with further round cut diamonds to the shank, unmarked, size M / 6, 4.5g.

AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in 18ct gold, set with a central oval cabochon opal between two old cut diamonds, with further rose cut diamonds to the bar, French import marks for 18ct gold, 3

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with two cabochon cut opals, accented by old mine cut diamonds, to stylised shoulders, stamped 18CT, size O / 7.25, 2.6g.

AN OPAL AND DIAMOND RING in 18ct yellow gold, set with a cabochon opal in a border of single cut diamonds, stamped 18ct, size M / 6, 2.5g.

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.

A gentleman's Edwardian 18ct gold diamond single-stone ring. The old-cut diamond, within an elongated claw setting to the plain band. Estimated diamond weight 0.50ct, I-J colour, P2 clarity. Hallmarks

A VINTAGE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by trios of round cut diamonds, stamped 18ct, size S.5 / 9.25, 4.1g.

METAL: 14K gold. GEMSTONES: diamonds-approx. 0.30ctw, opal -21.5mm x16mm ( stone has a fracture and a chip). MEASUREMENTS: ring size 8.25. Ring top is 34nn x 24mm at widest point. MARKED: 14K. WEIGHT:

An Edwardian 18ct gold diamond five-stone ring. Designed as a graduated old-cut diamond line, with scrolling shoulders. AF. Estimated total diamond weight 0.90ct, H-I colour, P1-P2 clarity. Hallmarks

AN 18CT GOLD, DIAMOND AND OPAL CRESCENT BROOCH.