A spectacular single stone ring set with a domed, round faceted opalised blue crystal cabochon, claw set to a scalloped-eged white mount to a two-row grooved "D" shaped polished white band. The blue glass stone measures approx. 18.70mm x 16.70mm x 9.50mm deep. Hallmarked 18ct gold London 2013, sponsor RL. Engraved to the inside of the band "2.04.30 RITZ LONDON". The outside of the white gold mound is stamped with the 18ct gold French control makrs with the maker's mark for René Lalique. This is a discontinued desing. Gross item weight 17.95gms. Finger size 6.5 (US/Canada); N (UK/Australia), resizing not available.