A SAPPHIRE AND DIAMOND RING, BY GRIMA,

A SAPPHIRE AND DIAMOND RING, BY GRIMA, 1993 The oval cabochon sapphire weighing 18.81 carats, within a bombé surround, pavé-set with brilliant-cut diamonds, to a geometric band, mounted in 18 carat white gold, signed Grima, maker's mark TES, London hallmark, ring size approx. I½ (hoop off round), maker's case Footnotes: Accompanied by a report from The Gem & Pearl Laboratory stating that the sapphire is of Sri Lankan origin with no evidence of heat treatment. Report number 04596, dated 30th September 2011. Please note that this report is over fiver years old and may require updating. For further information on this lot please visit Bonhams.com