An Edwardian opal brooch, the oval cabochon opal in a

Lady's Edwardian Opal, Diamond & Emerald 14k Brooch 1.5''x.75''. Includes one oval natural opal cabochon measuring approx. 25.7x8.4x2.5mm. It is surrounded by (40) full cut emeralds and (36) round bri

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.

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.

ART DECO, BLACK OPAL AND DIAMOND BROOCH Containing one oval cabochon black opal measuring approximately 19.85 x 17.10 x 5.85 mm and 18 old mine cut diamonds weighing approximately 0.80 carat total. Mo

METAL: 14K yellow gold GEMSTONE(S): round and oval cabochon opals MEASUREMENTS: brooch 1-1/2 x 1-1/2 inches; bangle 6-1/4 inches inner circumference, 3/8 wide WEIGHT: 32.20 g.Stamped: 14K

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.;

A Mexican Fire Opal Fish Form Brooch. Containing one oval cabochon Mexican fire opal and two cabochon stone eyes Width: 2.25"

A 9ct gold opal doublet brooch. The oval opal doublet cabochon, within an openwork foliate surround. Hallmarks for Sheffield, 1997. Weight 9.2gms.

An opal and cultured pearl brooch. The oval opal cabochon, within a cultured pearl surround. Opal is loose from the mount. Length 3cms. Weight 4.2gms.

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.

An Opal Brooch. 14 karat yellow gold starburst brooch contains six prong set oval cabochon opals Diameter: 1.75" Wt: 10.7 grams

American Arts and Crafts opal, demantoid garnet, and sapphire brooch Set with an oval cabochon opal, in a foliate frame of circular-cut sapphires and demantoid garnets, c. 1900 Yellow gold 7/8 x 1 3/4

A White Gold, Opal and Diamond Pendant/Brooch, containing one oval shape cabochon cut opal measuring approximately 25.20 x 16.70 mm and 29 round brilliant cut diamonds weighing approximately 2.85 cara

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

Early 20th century. Edwardian hinged bangle bracelet, stamped 15K, squared profile with a flat top and sides, featuring prong set oval cabochon opal measuring approx. 15.1 x 11.2 x 4.2mm. Simple gold

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

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.

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

OPAL BROOCH, CIRCA 1970; FANCY-LINK NECKLACE 1st: The brooch of scroll design with bark texture, set with an oval opal cabochon and accented with circular-cut rubies and brilliant-cut diamonds, 2nd: D

Gold, Opal, and Diamond Brooch, Jewelsmithin a geometric motif with an oval cabochon opal (10.94 x 19.18 mm) surmount bezel set above a hand-formed undulating gold element and with a bezel set diamond

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, set with a trio of graduated oval cabochon opals, accented by rose cut diamonds, no assay marks, 3.5cm, 2.6g.

SEAMAN SCHEPPS, FIRE OPAL AND DIAMOND 'BUBBLE' BROOCH Containing 15 oval, round and pear cabochon fire opals and 24 round brilliant cut diamonds weighing approximately 1.35 carats total. Mounted in bi

JEWELRY: Tested 14K yellow gold opal and diamond brooch with pendant option, measuring 1.5 x 1.25 inches in diameter, centering the brooch is an oval cabochon white opal measuring 23 x 13 mm., approxi