You can reduce the number of items displayed by entering a keyword that must be included in the description of the item.

These items are not for sale and the descriptions, images and prices are for reference purposes only.

Edwardian 9ct nine stone opal scorpion brooch with sapphire eyes

Edwardian 8ct gold, opal and seed pearl pendant, or brooch, weight approx 4.2 grams, size approx 4.5 cm including bale

14ct white gold, opal and diamond brooch, Centring a claw-set cushion-shaped opal measuring approximately 18.00 x 14.00 x 8.00mm framed by a line of brilliant-cut diamonds flanked by a foliate motif embellished with diamonds, the diamonds together weighing

An opal and diamond cocktail brooch, the stylised foliage set with an oval solid white opal cut en cabochon, offset by twenty eight round brilliant cut diamonds totalling 1.23cts, mounted in 14ct white and yellow gold

14ct yellow gold and solid opal brooch, weight: approx 7.61 grams

New Zealand 15ct opal and diamond bar brooch large oval cabochon translucent milk opal with four old brilliant cut diamonds surrounding on scrolling frame. Made by Denton Jewellers, Wellington opal size 26 x 12 x 3.2mm Provenance: Being of direct family d

18ct opal and diamond bar brooch central cluster of oval milk opal and 20 diamonds

A 9ct yellow & white gold Triplet opal brooch, one round triplet opal, with a white gold frame and yellow gold bar brooch., Wt 5.3grams

Opal pendant, oval doublet with light Chinese writing pattern, bezel set in 9ct yellow gold, with both bail and brooch fittings, stamped '9ct, approx. Weight 9.6 grams

An opal set gold brooch, 18ct yellow gold, made as a fan shaped brooch of peacock inspiration, detailed by a curved arrangement of nine heart shaped solid crystal opals of strong colour and graduated form, the central of largest size, claw set, edged in un

An Australian gold mounted opal chip glass tube brooch, unmarked, 5.7 cm long, in fitted blue velvet marked William Dunkling, 316/7 Bourke Street, Melbourne

An 18ct gold opal and diamond bar brooch, centring a 10 x 7.5mm fine crystal opal adjacent to crescent mounts set with single cut diamonds, length 58mm, wt. 4.7g.

Vintage gold & solid opal brooch marked 15ct, weight: 4.37 grams (opal has small crack)

A diamond, pearl and opal brooch, of ribbon design, set with a solid opal cabochon, a button pearl and six round brilliant cut diamonds of known weight 0.19 carat. 18ct yellow gold. Weight 9.22 grams. Length 52mm

Vintage 9ct solid opal bar brooch, weight: approx 2.0 grams

9ct yellow gold opal doublet brooch. Oval opal in yellow gold frame. Original invoice dated 1965 available. Wt. 7g

Edwardian yellow gold opal doublet brooch. Brooch with suspended oval opal doublet set drop. Wt. 3.4g

Diamond, opal and enamel brooch/pendant, 14ct yellow gold, of openwork cartouche embellished with black enamel, centring an opal cabochon, featuring seven round brilliant-cut diamonds, stamped '14k, approx. Weight 16.3 grams

A unique light opal, diamond and ruby brooch in the form of a swan, pierced neck, ruby set eye, light opal body with good play-of-colour surrounded by approx 0.40cts of diamonds; 18ct white gold. Made by Prouds Jewellers c.1930. Safety chain attachment. We

18ct gold, solid opal and diamond bar brooch, weight: approx 3.9 grams

Arts & Crafts silver opal brooch, a circular silver wire brooch set with three black oval, opal doublets between silver leaves with a round, cabochon deep blue opal doublet in the centre

Vintage gold plated brooch with opal set beetle one stone missing on end of brooch, weight approx 1.5 grams

Gold and opal brooch, William Drummond & Co., Melbourne, 1963, centring an opal claw-set in an 18ct gold open work scalloped surround decorated with foliate motifs, approximately 30 x 25mm. Accompanied by Wm. Drummond & Co. working drawing, quotati

Impressive 18ct yellow gold, opal and pearl brooch, weight approx 23.9 grams, size: 7.5 by 5.5cm

An opal and seed pearl brooch, the oval opal surrounded by a row of seed pearls, mounted in 18ct gold.

An antique Australian opal and diamond pendant/brooch by Forster, of starfish design, centrally set with an opal cut en cabochon, each free form arm set with a row of graduated old European cut diamonds totallng 6.30cts, signed Forster, mounted in 18ct gol

An antique opal and diamond brooch, centrally set with a free form polished boulder opal in a pierced foliate frame set with mixed cut diamonds, mounted in platinum.

An early Australian antique opal specimen brooch with rose gold end caps, total weight 6.1grams, in antique box.

Early 9ct yellow gold ruby, opal & diamond brooch. Crescent shape set with 13 opals;13 diamonds; & 3 rubies set to bar of brooch. Provenance: Estate Australian collector, weight 6.8g

An opal and diamond bar brooch, the oval solid black opal cabochon set either side with three diamonds. 18ct yellow gold. Weight 5 grams. Length 6 cm.

18ct gold, opal and diamond sunburst brooch/pendant, Forster, Melbourne, early 20th century Centring a claw-set opal weighing approximately 4.25 carats surrounded by a cluster of old European-cut diamonds, the rays similarly set with graduated diamonds, th

An opal doublet bar brooch, with safety chain; 9ct yellow gold. Weight 2.4g.

An Arts & Crafts opal brooch attributed to Rhoda Wager, the open circular brooch set with four opal doublets within a floral and foliate frame in sterling silver highlighted with gold accents