A French Art Deco platinum, gold, rock crystal, onyx and diamond brooch, c.1925
A French Art Deco platinum, gold, rock crystal, onyx and diamond brooch, c.1925,
a frosted rock crystal hoop with a matching section at each side, with an oval cabochon onyx, milligrain set to the centre. An open tulip frame of graduated old Swiss cut and old eight cut diamonds. Lines of calibré cut cabochon onyx to each side with lines of graduated diamonds, all milligrain set to chevron end caps. A support frame to the back, hand engraved with laurel garlands, and a pin and visor catch. French poinçon, small guarantee mark. Tested as platinum and 18ct gold. Maker's mark indistinct. 60 x 44mm, 15.87g. Fitted case by 'Alfred Hamsy, Joallier, 277 rue St Honoré, Paris - Cannes'.
Sold for £3,000
Condition report:
One very small calibre cut agate/onyx with a central black colour and colourless at the borders, only visible under 10X magnification.
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A French Art Deco platinum, gold, rock crystal, onyx and diamond brooch, c.1925,
a frosted rock crystal hoop with a matching section at each side, with an oval cabochon onyx, milligrain set to the centre. An open tulip frame of graduated old Swiss cut and old eight cut diamonds. Lines of calibré cut cabochon onyx to each side with lines of graduated diamonds, all milligrain set to chevron end caps. A support frame to the back, hand engraved with laurel garlands, and a pin and visor catch. French poinçon, small guarantee mark. Tested as platinum and 18ct gold. Maker's mark indistinct. 60 x 44mm, 15.87g. Fitted case by 'Alfred Hamsy, Joallier, 277 rue St Honoré, Paris - Cannes'.
Sold for £3,000
Condition report:
One very small calibre cut agate/onyx with a central black colour and colourless at the borders, only visible under 10X magnification.
Sale price
Estimate
Time, Location
Auction House
