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A retro opal and diamond ring. The ring set with a tear drop opal and a triangular shaped opal doublet / triplet with central diamond in a pierced...

An opal and brilliant-cut diamond cluster ring. Opal calculated weight 3.71cts, based on estimated dimensions of 13.9 by 9.8 by 4.7mms.Estimated t...

A Modernist cocktail ring set with fire opal, the marquise-cut fire opal of intense reddish-orange colour measuring 13.0 x 6.9 mm, corner-set with...

A late Victorian gold opal and diamond cluster hinged bangle, with brooch fitting. Estimated total diamond weight 0.75ct, G-H colour, VS-SI clarit...

ANTIQUE DIAMOND, TURQUOISE, OPAL AND PEARL INSECT BROOCH. High carat gold and silver. Diamonds bright and lively. Vibrant turquoise. Pearls untes...

VICTORIAN OPAL AND DIAMOND BROOCH set with a vibrant opal with great play of colour approx. 13.4 mm by 13.4 mm Diamonds bright and lively, totall...

A black opal dress ring, featuring an oval precious opal cabochon approximately measuring 13.4 x 9.3 x 4.7 mm, displaying mild play-of-colour rang...

BLACK OPAL AND DIAMOND CLUSTER RING. 18 ct yellow gold. Set with vibrant opal of good play of colours. No chips Bright and lively rose cut diamond...

BELLE EPOQUE BLACK OPAL AND DIAMOND PENDANT, Platinum. Suspending a black opal of approx. 12 x 7.1 x 4.5 mm. Diamonds bright and lively. L. 4.3 cm...

OPAL LOBSTER GOLD BROOCH, The lobster set with 2 cabochon cut opals. L. 2.6 cm. 3.3 grams.

An 18ct gold opal and diamond ring. The ring set with an opal doublet having four single cut diamond accents to bifurcated shoulders marked 18ct 7...

A 9ct gold opal triplet ring. The ring set with an oval opal claw mounted opal triplet to tapering band. Marked 9ct. Weight 2.6g. Size M. All weig...

An opal and diamond cluster ring Claw-set with a pear-shaped cabochon opal in a border of round brilliant-cut diamonds, plain band, unmarked Rin...

An 18ct gold opal and diamond pendant Claw-set with a large oval cabochon opal, in a border of six round brilliant-cut diamonds, UK hallmark; to...

A collection of unmounted gemstones Including various blue and fancy-coloured sapphires, a rough emerald crystal in host rock, and various cut eme...

A hallmarked 9ct gold bracelet and an 18ct gold AF ring. The bracelet formed with box links to spring hoop clasp. The 18ct gold ring set with two ...

A mid 20th century gold opal and vari-cut diamond cluster ring. Opal estimated dimensions of 14.3 by 10.8 by 2.9mms. Estimated total diamond weigh...

A hallmarked 9ct gold  diamond and gem set crossover ring. The ring having a central oval cut citrine set in a crossover mount set with rows of ro...

A collection of 9ct gold and gem set earrings. The lot to include a pair of 9ct gold hoop earrings, marked 375 to hinge fastener. A pair of hallma...

A hallmarked 9ct gold, sapphire and opal cluster ring. The ring set with a central oval opal cabochon surrounded by a halo of round cut sapphires ...

Five 9ct gold and gem set necklace pendants. The pendants to include a 9ct gold, ruby and diamond articulating clown pendant, marked 375 to verso....

An opal and brilliant-cut diamond cluster ring. Opal estimated dimensions of 12.9 by 8.7 by 4.8mms. Estimated total diamond weight 1.10cts. Stampe...

An early 20th century 15ct gold and opal brooch pin. The brooch set with an oval opal cabochon to bar mount having hinged pin and roller clasp ver...

A hallmarked 9ct gold, diamond and opal ring. The ring having two rows of mixed oval and round opal cabochons interspersed by four round cut diamo...

A hallmarked 9ct gold, sapphire and opal three stone ring. The ring having a central round opal cabochon flanked by two round cut sapphires set in...

Two 9ct gold and gem set rings. The lot to include a hallmarked 9ct gold, opal and white stone cluster ring, hallmarked for London, 1989. Together...

Assorted 9ct gold earring fragments. The lot to include a single hallmarked 9ct gold endless hoop earring, hallmarked with import mark for Birming...

A 9ct gold, synthetic opal and diamond gypsy ring. Stamped 9ct. Size Q. Weighs 2.6g. All weights, measurements and sizes are approximate. 

A reversible freeform opal, diamond and multi-gem hinged bangle. Estimated total diamond weight 1.25cts, G-H colour, VS-SI clarity. Inner diameter...

A continental synthetic opal and diamond cluster ring. The ring having a domed cluster head set with a central synthetic opal framed by diamond se...

An early 20th century 18ct gold graduated opal five-stone ring, with diamond point spacers. Hallmarks indistinct. Ring size N1/2. 4.2gms.Condition...

A late 19th century 18ct gold graduated opal five-stone ring, with diamond point spacers. Ring size L. 5.8gms.Condition Report:Scratches and small...

A late 19th century 15ct gold graduated opal hinged bangle. Central opal calculated weight 0.67ct, based on estimated dimensions of 9.5 by 6 by 2....

A pair of 18ct gold opal and brilliant-cut diamond drop earrings. Estimated total diamond weight 0.20ct, G-H colour, VS clarity. Hallmarks for Lon...

An early 20th century gold opal and old-cut diamond brooch. Opal estimated dimensions of 34.4 by 9 by 3.8mms. Estimated total diamond weight 1.15c...