A tourmaline, coloured diamond and diamond ring, of bi-coloured design, the rectangular-shaped green tourmaline, weighing 8.86 carats, mounted within a scrolling yellow gold surround, set throughout with round brilliant-cut black diamonds, with diamond-set scrolling trifurcated shoulders, diamonds approximately 0.77 carat total, black diamonds approximately 0.86 carat total, untested for natural colour origin, mounted in 18 carat yellow and white gold, ring size P