A ruby and diamond cluster ring, the oval-shaped ruby set within a sunburst surround of graduated circular-cut diamonds in white gold, with inner resizing balls, size H 1/2 approx. Accompanied by report number GRS2018-087328 dated 23 August 2018 from GRS, Switzerland stating that the oval-shaped ruby weighs 1.20cts and is vivid red GRS type 'pigeon's blood' colour with no indications of thermal treatment.