Pink sapphire, crystal and diamond oblong cluster ring, French, possibly by Rene Boivin, collet set with a cushion cut Burma pink sapphire,

Pink sapphire, crystal and diamond oblong cluster ring, French, possibly by Rene Boivin, collet set with a cushion cut Burma pink sapphire,
Price: £20,000-£50,000
Ref No. 67526
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Description
to a frosted rock crystal frame, diamond line edge top and bottom and diamond line shoulders, mounted in platinum and white gold, serial number 5550, accompanied by AGL report no. CS71518 for the pink sapphire giving the Burma origin opinion and that the stone shows no evidence of heat treatment
Weight: 7.5g
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