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

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

A 9ct gold pendant set with oval iridescent opal style ammolite opalescent cabochon, surmounted by a white stone. Approx. 1" long

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

set with central oval opal on bar, l 5.2cm

14 kt. Yellow Gold, Opal and Diamond Pendant/Brooch Necklace , central oval cabochon opal, wt. approx. 7.00 cts.; pierced filigree surround set with 38 round cut diamonds, total wt. approx. 2.00 cts.;

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

In a textured cut-out design set with a treated oval opal cabochon, L. 14mm, with a bar of three single cut diamonds on one side. Testing as 14k. Ring size approx. 5, 8.8g.

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.

A 9ct gold gem-set brooch. Of openwork design, the oval opal cabochon, with a split pearl scrolling surround, to the circular-shape sapphire chevron sides. Hallmarks for London, 1988. Length 3.7cms. W

white gold brooch center bezel set with one oval cabochon cut White Opal, approximately 54.80 carats, accented with 46 full cut round Diamonds [I/I-1], approximate total weight 0.48 carats, 27.1 grams

14 kt. White Gold, Yellow Gold, Opal and Diamond Pendant on 14 kt. Gold Chain, center bezel set oval cabochon cut opal, wt. approx. 11.06 cts., 21.53 x 7.28 mm; bezel and link with 37 round brilliant

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

Vintage 9CT YG Opal Ring size 6.5, prong set oval cabochon white opal approx. 10.0mm x 8.0mm, stamped and tested 9CT in swirl style design, gross weight approx. 2.75dwt

14kt white and rose gold opal and diamond ring featuring a prong set oval cabochon cut opal weighing approx. 0.92ct. Surrounded by a halo of prong set round brilliant cut diamonds weighing approx. 0.2

10k yellow gold brooch pin with modern design with 5 oval cabochon opals each approx. 8mm x 6mm. 1 1/2" long pendant. 5.6 grams t.w.

Gorgeous 14kt white gold black opal fashion ring. The ring features one (1), four prong set, oval cabochon opal set accented with bypass white gold feathers. The opal measures approx. 7.85 x 5.25mm, h

Modern art studio jewelry brooch / pin, hand fabricated in 14K yellow gold, brightly polished and shaped as an irregular hexagon, featuring an oval cabochon opal bezel set and weighing approx. 7.15 ca

Designed as a central oval cabochon opal (12.3 x 7.7 mm) in a border of rose cut diamonds set in 14k gold; size 3-1/2, 3.7g

Includes a 14kt yellow gold cocktail ring with central bezel set oval form white opal cabochon with laurel design to band - apparently unmarked, ring size - 4 1/2. Accompanied by a vintage 14kt yellow

cluster brooch set with one oval cabochon cut White Opal, approximately 3.59 carats, enhanced with two pear shape cabochon cut White Opals, approximate total weight 1.09 carats, accented with 13 full

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.

A 14kt Yellow Gold, Opal and Seed Pearl Pendant/Brooch, Set with one cabochon cut opal gemstone, approx. 9mm x 7mm, approx. 1 ct. Also set with twelve round and oval cut opals, approx. 0.02-0.20 pts.

The oblong links with central bezel-set sapphire, ruby or emerald oval cabochons, or RBC diamond white gold-topped bars, approx. 2.0 cts TW, alternated between round jump rings. 18k. 31". 60.8 dwt.

A lovely ladies's bracelet and earrings demi-parure set crafted of 14k yellow gold. Bracelet features 24 oval cabochon cut white opals approx. 9.60tcw. Bracelet is completed with a push button clasp a