Christie's, Hong Kong, November 2007 Lot 218 An Attractive Multi-coloured Sapphire and Diamond Bracelet Set with a tapering series of oval-shaped orange, pink, blue, yellow and green sapphires, to the square-shaped diamond spacers, mounted in 18k gold and platinum, 16.8 cm long
Accompanied by ten reports from the GRS Gem Research SwissLab and one report from the Gemological Institute of America stating the sapphires are from various origin with no indications of thermal treatment
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