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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A Victorian pearl and diamond brooch-cum-pendant, with a natural bouton pearl in the centre of a cluster of old-cut diamonds, with a surround of...
An Art Deco ruby, diamond and platinum clasp, with an oval faceted Burma ruby in the centre, with a diamond set surround, comprising three,...
A French antique sapphire and diamond crescent brooch, with a graduating row of cushion-cut sapphires, spaced with tiny rose-cut diamonds either...
A diamond and platinum line bracelet, set with a total of 1.85 carats of round brilliant-cut diamonds, in individually linked, millegrain edged,...
A pair of modern diamond stud earrings, each set with an old-cut diamond, mounted in platinum, four claw basket settings, with posts and alpha clip...
A pair of modern diamond drop earrings, each set with old-cut diamonds, in silver-upon-gold cut down settings, on gold hooks, with a total diamond...
A pair of modern diamond stud earrings, each set with old-cut diamonds, in silver-upon-gold cut down settings, on gold posts, with alpha clip...
A pair of modern diamond stud earrings, each set with old-cut diamonds, in silver-upon-gold cut down settings, on gold posts, with alpha clip...
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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, after the Apollo Belvedere, in frosted and polished deep...
