Explore Jewelry Design, Art Deco Jewellery, and more!

An opal and diamond brooch. The brooch set with three cabochon opals, each within a single-cut diamond surround.

An opal and diamond brooch. The brooch set with three cabochon opals, each within a single-cut diamond surround.

A vari gem-set butterfly brooch. The butterfly with cabochon opal body, brilliant-cut diamond head and tail, and circular-cut ruby antennae, the outspread wings with pierced detail, set with opal doublets, mixed-cut sapphires, single-cut diamonds and small cultured pearl highlights, wing span 6.6cm.

The butterfly with cabochon opal body, brilliant-cut diamond head and tail, and circular-cut ruby antennae, the outspread wings with pierced detail.

OPAL AND DIAMOND BROOCH, EARLY 20TH CENTURY Centring on an oval black opal tablet, within a frame decorated with wing motifs accented with circular-, single- and rose-cut diamonds, set between a pair of engraved en tremblant wings similarly set, brooch fitting and wings detachable, fitted case by Biggs, Maidenhead, Norwood & Farnham, inscribed to the exterior 'WINGS OF THE SUNSET'.

Antique jewelry is typically very valuable, and purchasing such jewelry costs quite a bit of money.

Edwardian Opal and Diamond Brooch, bezel-set with three cabochon opals, further set with old mine-cut diamonds, approx. total diamond wt. 1.20 cts., platinum-topped gold mount, millegrain accents, lg. 1 7/8 in.

Edwardian Opal and Diamond Brooch, bezel-set with three cabochon opals, further set with old mine-cut diamonds, platinum-topped gold mount, millegrain accents.

Brooch of pierced scrolling design, alternately set with circular cabochon opals and channels of graduated old-cut diamond. Victorian or Victorian style.

Brooch of pierced scrolling design alternately set with circular cabochon opals and channels of graduated old-cut diamond. Victorian or Victorian style.

14K gold, opal body, emerald eyes, diamond detail fish brooch

An opal, emerald and diamond brooch, Oscar Heyman & Brothers. Photo Bonhams in the form of a fish, with scales of opals,.

Very Fine Black Opal, Diamond and Yellow Gold Pendant/Brooch  Lightning Ridge, New South Wales, Australia   Centering on a fine black opal from the most prestigious region of Australia, this sizable oval cabochon weighs approximately 20.0 carats. A five out of five in vivid play-of-color in a blue-green flame pattern, bezel-set in a substantial 18K yellow gold mount with significant heft (weighing approximately 54.4 grams), pave-set with approximately 3.02 carats of brilliant-cut diamonds

Very Fine Black Opal, Diamond and Yellow Gold Pendant/Brooch Lightning Ridge…

Best Diamond Bracelets  : Art Deco Platinum Diamond and Sapphire Brooch Cartier. The openwork tapered ov

Best Diamond Bracelets : Art Deco Platinum Diamond and Sapphire Brooch Cartier. The openwork tapered ov

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