Lot257. An emerald and diamond ring, by Jean Vendome, circa 1990. Sold for £3,500 (€4,104). Photo Bonhams.

The step-cut emerald tension-set in a contoured band set with brilliant-cut diamonds, diamonds approx. 1.20cts total, French assay mark, maker's mark, ring size J

Accompanied by a report from GCS stating that the emerald is of Colombian origin with minor clarity enhancement. Report number 5776-5442, dated 9th May 2016.

Bonhams. JEWELLERY, 15 Jun 2016, LONDON, KNIGHTSBRIDGE