Art Deco Spaulding & Co. Diamond Black Onyx and...
An Art Deco butterfly choker, by Spaulding & Co, with a central butterfly, with open wings, flanked by two butterflies, with closed wings, on...
Opal gemstones are known for their play of colour that appears to dance across the stone. Black opal is the most rare and valuable, especially when paired with red flashes of colour. Many types of opal exist including fire opal and boulder opal.
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A pair of early twentieth century opal and gold cufflinks, with a single, round cabochon opal in each head, within a broad gold, domed surround,...
A vintage multi gem jardinière brooch, with a cabochon opal, representing the vase, decorated with seven, eight-cut diamonds on yellow gold stalks,...
A Victorian opal crescent moon brooch, set with oval opal cabochons, graduating in size, with old mine-cut diamonds set between the outer edge of...
A modern gem set dragonfly brooch, with trembling wings, with opals in the thorax, wing tips and eyes, weighing 2.45 carats, with blue to green...