A white gold tourmaline and diamond rectangular cluster ring, with an emerald cut green tourmaline, claw set to the centre. A border of brilliant cut diamonds, claw set to a straight wire basket, chenier shoulders and a plain 'D' section shank. Tested as approximately 18ct gold. Head 14.80 x 12.40mm, 5.84g. Finger size T Condition report: Light surface marks commensurate with its age. Diamonds bright and lively. An indented natural to one diamond. Minor marks to the tourmaline under 10x magnification. Not marked or stamped. Tourmaline 10.51 x 8.42 x 4.76mm. 3.30ct estimated approximate weight. x18 diamonds 2.30mm = 0.90ct estimated approximate total weight. Probably not heat treated, but this was not submitted to a laboratory for independent testing. Colour tone and saturation - VstbG 4/5, G 4/5