claw set central oval faceted rubellite tourmaline, 18.5 x 14.9mm, known stamped weight 18.88ct, surrounded by twenty claw set round brilliant cut diamonds, known stamped total diamond weight 1.81ct, head length 2.3cm, head width 1.9cm, tapered shoulders, 'D' shaped shank, size M½, hallmarked, Birmingham, 18ct gold, weight 15g Footnote: Rubellite is a variety of tourmaline, and named after the Latin word “rubellus” which means reddish. They have a captivating color range that varies from a purplish pink to a rich and deep crimson red.