Halfmoon-brooch with opals and diamond roses, YG

Antique Victorian Opal, diamond, enamel, and gold brooch Set with cabochon opals and rose-cut diamonds, in a swirling surround of black enamel; 1880s Yellow gold 2.75 x 1.25 in; Gross weight 12.0 dwts

Antique Turtle Brooch with a center natural Opal (18x12x4mm) and Rose Cut Diamonds Approx. 2 CT. Measurements: 8.5x1.55\'\'. Weight: 10.2g.

METAL: 14k gold. GEMSTONES: rose cut diamonds, opal, green stone, red stones. MEASUREMENTS: brooch is 15 x 13mm at widest point. TESTED: 14K. WEIGHT: 3.4 grams.Gemstones have not been graded for color

Rosé gold 750, 18 g., Decorative brooch set with 1 carved opal of ca. 9.92 ct also 23 brilliants totalling 0.13 ct, F-G/SI and 1 brilliant of 0.17 ct, F-G/SI one part green enamelled. L ca. 85 mm.

Beautiful 14K rose gold leaf motif brooch (2.6"x1.7") set with 11 opals, 14 rubies and 4 small diamonds, total ruby approx. 4.2ct, total opal approx. 3.50ct, tdw approx. 0.10ct, wt. 19.6gm

Unique brooch designed in the Faberge style, made of silver and set with two oval Opals flanked by Rose Cut diamonds weighing a total of approximately 1.2 Carats and a Star Ruby. Bear maker's marks in

19thc opal, ruby & diamond insect brooch, 8.9dwts.Designed with small rose cut diamonds, opal, rubies and sapphires, and emeralds, set in a silver mounting with 14k detachable pin back. 1.6" x 2".

AN ANTIQUE OPAL AND DIAMOND BROOCH, 19TH CENTURY in high carat yellow gold, designed as a crescent moon jewelled with graduated cabochon opals accented by old and rose cut diamonds, set to a plain bar

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.

ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in high carat yellow gold, in open heart design set with a moon cabochon opal, old and rose cut diamonds totalling approximately 10.00 carats and

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold and silver, formed of a trio of flower motifs, each set at the centre with a round cabochon opal, accented in the petals by rose cut diamonds, unmarke

Antique Victorian style silver gilt bug brooch pin that can also be worn as a pendant, wings can be adjusted up and down to change the look of the brooch, set with 87 rose cut diamonds light gray in c

OPAL CRESCENT BROOCH/PENDANT, CIRCA 1890 Set with graduated opal cabochons with rose-cut diamond accents, length 3.2cm For further information on this lot please visit Bonhams.com

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

Half-moon old-cut diamond brooch RG 585/000 (Russian 56 hallmarked) with 32 old-cut diamonds, tot.1,97 ct FineWhite+ - FineWhite (F-H)/SI-PI1 and 4 diamond roses, l. 31 mm, 9,1 g, with value expertise

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,

A late Victorian diamond and gem-set butterfly brooch. With circular-shape sapphire body and ruby eyes, the rose-cut diamond wings with oval opal cabochon and ruby accents. Length 2.6cms. Total weight

Tiny Bee Charm and Brooch crafted in Silver, featuring Rose cut Diamonds ant two Cabochon Opals. Total weight: 2.3 grams.Measurements: 17 mm by 24 mm.

18 kt gold brooch/pendant with diamonds and garnets, YG 790/000 , 4 garnets total approx. 3.50 ct, in different sizes and cuts, 73 diamond roses total approx. 1.90 ct Wesselton-Cape/p 1, 3 movable sus

18 kt gold opal diamond bracelet , approx. 1900, YG 750/000, opal with blue green play ofcolours, surrounded by 16 diamond roses total approx. 0.12 ct, l. approx. 19 cm, case lock with safety chain, a

AN OPAL, AMETHYST AND DIAMOND SPIDER BROOCH in yellow gold and silver, the body set with a round cabochon opal and a round cut amethysts accented by rose cut diamonds in the legs, unmarked, 3.7cm, 8.9

Brooch with diamonds, german approx. 1770/80s , YG 585/000 and silver, floral, with approx. 41 diamond roses total approx. 1.30 ct, l. approx. 6 cm, style typ. work

Art-Deco brooch with diamonds, approx. 1920s , YG 750/000 and platinum, centered 1 old cut diamond approx. 0.2 ct Wesselton/vs, as well as diamond roses total approx. 0.2 ct, mille grain setting and g

14 kt gold brooch with agate and diamonds , YG 585/000, german approx. 1880s, centered with one brown agate, surrounded by diamond roses in silver setting total approx. 0.30 ct, mille grain setting an