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Lot 258. A quartz and diamond ring, by Jean Vendome, circa 1990. Sold for £2,000 (€2,345). Photo Bonhams.

The open textural abstract band set with a cluster of brilliant-cut diamonds and a long included quartz crystal, diamonds approx. 0.30ct total, French assay mark, maker's mark, ring size M½.

Bonhams. JEWELLERY, 15 Jun 2016, LONDON, KNIGHTSBRIDGE