An opal, ruby and pink sapphire marquise form ring, an oval cabochon opal, 8.50mm x 11.50mm, claw set to the centre of a ruby and pink sapphire marquise form cluster, to trifurcated shoulders and a 'D' section band. Unmarked and tested as approximately 18ct gold, 5.08g Ring size L (leading edge) Buying this gemstone ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition Report: Surface scratches and marks to mount. Chip to one ruby, masked by the setting. Surround stones of different shades of pinkish red.