About this lot

Description

An important sapphire and diamond cluster ring, the rectangular cushion shaped mixed cut sapphire weighing 7.16ct, double claw set within an undulating border of sixteen claw set round brilliant cut diamonds, basket setting and knife edge shoulders to a plain squared off shank, unhallmarked white metal stamped '750', size I-J, estimated weight of diamonds 1.70ct.
Provenance: This ring is presented with a certificate from the Gem & Pearl Laboratory of London, stating that the 7.16ct natural sapphire's country of origin is Sri Lanka, and that no evidence of heat treatment was observed. Certificate number 13211, dated 16 September 2016

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