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Large ladies Opal 18ct yellow gold pendant, set with sapphires emeralds and white diamonds surround, marked 18k, 750 approx 4x white diamond baguettes (0.12ct ea), 65x round brilliant cut diamonds (0.015ct ea) 7x (0.04ct ea), 6x emerald round cabochons & 1

18ct yellow gold, solid opal and diamond pendant, weight: approx 4.76 grams, size: approx 3 cm including bale

Silver and good colour opal pendant, size: approx 3.5 cm including bale

A crystal opal and diamond set pendant. 18ct white gold, made as an elegant drop pendant featuring a vertical cabochon bar of solid crystal opal likely from the Cooper Pedy Mines, intense spectral colours throughout of blue, green and orange with rolling f

Silver and boulder opal pendant, enhanced with synthetic rubies and diamonds, size: approx 4.8 cm including bale

14ct opal and diamond pendant oval opal with suspender set with diamonds ‘07

18ct gold pendant set with central boulder opal and diamonds

18ct gold pendant set with boulder opal and diamond in a naturalistic setting

18ct gold pendant set with oblong large opal and diamonds

Vintage 9ct yellow gold opal pendant, as inspected, approx 3.18 grams

Solid silver (925), opal and diamond pendant, size approx 7.4 cm in length

18ct rose gold and solid 14ct opal pendant, with diamonds, (opal from Tanzania), weight approx 4.8 grams

18ct gold, opal and diamond pendant, Prouds, claw-set with an oval opal measuring approximately 26.00 x 20.00mm framed by a textured abstract surround embellished at intervals with brilliant-cut diamonds, gross weight approximately 48.60 grams, approximate

A black opal pendant. 18ct yellow gold, made as a simple Baroque shape drop pendant, featuring an abstract flat polished piece of solid black opal, measuring approximately 22mm x 15mm, aqua, blue, lime spectral colours throughout, bezel set in an open back

An 18ct yellow gold solid black opal pendant, one rectangle solid black opal, 31.5x15mm, with blue, green and red flashes., Wt 8.2grams

Black opal and diamond pendant, 11 carat polished Lightening Ridge black opal cabochon bezel set in an 18ct white gold star burst design surrounded by two marquise, two pear shaped, two oval shaped and eighteen round brilliant cut diamonds, total diamond w

Opal pendant, triangular triplet displaying strong red, blue and green patches, claw set in 9ct yellow gold with three round brilliant cut diamonds, 'Stamped 375', approx. Weight 5.2 grams

A crystal opal pendant, 3.4 x 2mm, purple and green play-of-colour, round brilliant cut diamond set bail, 18ct yellow gold. Weight 3.4g.

An opal section pendant, square sections of opal inlay set to an 18ct yellow gold square pendant. Weight 2.6g.

A black opal pendant, pierced foliate and leaf mount, 9ct gold. Weight 2.8g.

9ct gold, solid opal and ruby pendant weight: approx 8.4 grams, size: approx 4 cm (including bale) by 2 cm

9ct gold and opal pendant converted from brooch, weight: approx 3.38 grams, size: approx 3 x 2.5 cm

An opal tooth pendant, 18ct yellow gold mounted, presented as a stylish tooth carved from solid white opal, polished in finish. Length 2.3 cm.not including bail

A large opal and diamond pendant, the large solid free form opal cut en cabochon surmounted by a row of five round brilliant cut diamonds, mounted in 18ct gold

18ct bi-colour gold and opal pendant, Edward Dixon, claw-set with an opal measuring approximately 15.70 x 19.00mm surmounted by a double leaf terminating in a similar motif, signed Dixon for Edward Dixon.

Opal and diamond pendant, claw-set with a pear-shaped opal weighing approximately 7.00 carats framed by a textured abstract surround embellished at intervals with twelve brilliant-cut diamonds together weighing approximately 1.90 carats, mounted in 18ct go

18ct yellow gold opal & diamond pendant, a diamond cluster pendant featuring a crystal opal, approximately 8.57ct with a good play of colour, orange, yellow, green and blue surrounded by twenty, four diamonds approximately 1.68ct, colour F-G, clarity V

A 14ct gold opal and diamond pendant, featuring an approx. 1.40ct fire opal and channel set with 5 round brilliant cut diamonds, wt. 9.9g.

An 18ct gold opal Triplet pendant, set with a 26 x 15mm drop shape opal, wt. 6.8g.

A 9ct gold opal pendant, 47 x 34mm rectangular boulder opal set in a stylised mining shaft headframe, length 103mm, wt. 54.5g.

9ct rose gold and solid opal pendant weight approx 4.4 grams

18ct yellow gold opal pendant. A solid white opal 13mm x 10mm flashes, of red and blue within two claw frame, and double ridged cap and bale. Weight 5 grams

White solid opal pendant, 18ct white gold, the white opal weighing approximately 25ct, displaying red and green flashes, the surmount set with three brilliant-cut diamonds, stamped '750', approx. Weight 11.07 grams

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