An opal bar brooch.

A mid 20th century diamond and opal bar brooch. The oval opal cabochon, with old-cut diamond sides, to the tapered bar. Estimated total diamond weight 0.20ct. Length 6.6cms. Weight 4.7gms.

14K yellow gold and opal bar brooch 6.90 DWT 1/2"H x 2 1/2"W

NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an old cut diamond and an opal cabochon within two scrolling bars, stamped 15, 4.0cm, 3.9g.

An opal bar brooch. The rough opal, with undulating ribbon sides. Length 6cms. Weight 7.1gms.

OPAL BAR BROOCH, W. 4.7 cm. 3.4 grams.

An opal bar brooch. The oval opal cabochon, within a rope-twist surround, to the plain bar sides. Estimated dimensions of opal 9.2 by 8.2 by 2.7mms. Length 6cms. Weight 5.1gms.

set with central oval opal on bar, l 5.2cm

Brooches; a. One peridot & seed pearl bar brooch stamped 9kt. yellow gold, weighing 2.7 grams. b. One translucent (crazed) opal bar brooch in 14kt. yellow gold, weighing 2.7 grams. c. One oval citrine

10k white and yellow gold pin brooch, set with a central round shaped cabochon opal, approximate total weight of opal 1.57ct, flanked by four old European cut diamonds, approximate total weight of dia

15ct Yellow gold opal set bar brooch, silver bangle, silver toothpick and other costume jewellery

Two early 20th century gold gem-set brooches. To include a circular opal cabochon and split pearl floral brooch, together with an oval opal cabochon bar brooch. Lengths 4.8 and 6.1cms. Weight 6.6gms.

Two bar brooches. To include a 9ct gold oval opal cabochon bar brooch, together with an early 20th century 9ct gold pink glass cameo scrolling bar brooch. One with hallmarks for Birmingham. Lengths 2.

An opal and diamond bar brooch. The cushion-shape opal cabochon, with old-cut diamond trefoil and bar sides. Estimated total diamond weight 0.75ct. Length 6.8cms. Weight 7.2gms. With case. Overall con

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

NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BAR BROOCH, CIRCA 1910, Made in yellow gold and platinum, Oval cabochon black opal, weighing approximately 1.61 carats, Single cut and rose cut diamonds,

Victorian Opal, 15k Yellow Gold Bar Brooch. Featuring one oval opal cabochon measuring approximately 11.45 x 10.45 mm, set in a 15k yellow gold bar brooch mounting with safety chain and metal pin stem

(Lot of 2) Amethyst, opal and 9K gold bar brooches comprised of (1) oval-cut amethyst, weighing approximately 15.00 cts., set in a 9k rose gold bar brooch, measuring approximately 64 x 19 mm, marked 9

An early 20th century 15ct gold opal and split pearl bar brooch. The circular opal cabochon, within an openwork surround and split pearl highlights. Length 5.6cms. Weight 3.3gms.

14K yellow gold brooch bar pin with opals, 6.1g

A 9ct white gold bar brooch set with central oval opal cabochon. The opal approx. 3/4" long, the brooch 2" wide overall.

An 18ct gold opal ring, four brooches and an Omega watch. To include an Edwardian 18ct gold graduated opal five-stone ring, an Edwardian 9ct gold amethyst and split pearl bar brooch, together with a 9

13-14K tested yellow gold frame, et with small round green opals and small accent seed pearls, three suspended and prong set opals, bar pin closure on verso, not marked. Apprx 1.5 x 1 in., apprx 6.4 g

A yellow metal bar brooch set with two small blue stones, 9ct top with steel pin, together with a quantity of various loose faceted gemstones, including quartz, turquoise, opals, paste stones, etc., b

A COLLECTION OF VINTAGE JEWELLERY to include a micromosaic brooch, an enamel bar brooch, a natural pearl and turquoise set pendant, an opal style set brooch, two locket pendants, a gold metal bar broo