Agate is an abundant but fascinating gemstone type. It occurs in a wide variety of colours with fascinating inclusions and banded striped patterns that make it entirely unique.
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An antique diamond and silver-upon-gold tiara necklace, set with Edwardian cut and old cut diamonds, in silver millegrain edged rub over settings...
A vintage collar necklace by Cartier, consisting of a single row of rosettes, graduating in size, each set with a round, blue sapphire to the...
A vintage collar necklace by Mauboussin, the entire length pavé set with sections of round rubies, bordered on both sides by teardrop shaped...
A pair of vintage earrings by David Webb, the free-form white pearls housed in textured yellow gold segments, with three rows of brilliant cut...
A pair of vintage drop earrings by David Webb, the circular hoops set with round, brilliant cut diamonds with textured gold leaf motifs to the top...
A French antique chalcedony and gold bust stick pin, with a carved bust of a woman's head, in frosted and polished deep brown chalcedony, engraved...
A Boucheron Burma ruby and gold ring, from their Jaipur collection, with a cabochon cut star ruby, with rub over settings at either end, with...
A vintage Andrew Grima diamond and gold bombé ring, composed of an openwork dome of hearts, squares, drops, triangles and circles, randomly set...
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A pair of Wiese, intaglio cufflinks, set with cornelian intaglios, mounted in 18ct gold. The intaglios depict a child's head; the bust of a...
An Art Deco style diamond, green agate and ruby brooch, set with a central marquise diamond, with three baguette-cut diamonds either side, in rub...
An antique multi gem bow brooch, with an openwork design of baroque leaves, set with a foil backed sapphire in the centre and almandine garnet,...
A Georgian cross pattée, with a faceted, cushion shaped amethyst, set in the centre, with a cluster surround of natural half seed pearls, in cut...
An English, antique, gentleman's dress set, comprising a pair of cufflinks and three studs, set with high domed, cabochon-cut, blue lace agate and...
A hard stone cameo brooch, set with a cameo of a Roman woman's head, carved in high relief, onto a grey background, in a gold frame with a black...
An antique cameo brooch, depicting Hera, the ancient Greek goddess of women, marriage and childbirth, on a sardonyx hardstone cameo, with a dark...
An antique cameo brooch, with a hardstone sardonyx cameo of a lady, with a Roman hairstyle, on a brown background, in a double row gold frame, with...
A French antique chalcedony and gold bust stick pin, with a carved bust of a woman's head, in frosted and polished deep brown chalcedony, engraved...
