A sapphire and diamond ring, the cushion-shaped sapphire, weighing 12.40 carats, set between a pair of half moon-shaped diamonds, diamonds approximately 1.80 carats total, ring size K1/2. Accompanied by a certificate from the American Gemological Laboratories (Agl) stating that the sapphire is natural, with evidence of heat treatment, excellent colour stability, with a note stating that sapphires are commonly heated to modify their colour and appearance. Certificate number CS45487, dated 21st July 2011