Sotheby's, London, December 2009 Lot 14 RUBY AND DIAMOND RING 
Centring on a cushion-shaped ruby weighing 5.07 carats, between brilliant-cut diamonds weighing 0.59 carats each, the shoulders highlighted with similarly cut stones, size M.
Accompanied by GRS report no.GRS2009-072321 stating that the natural ruby is heated with an origin opinion of Sri Lanka.
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