细节
A SAPPHIRE AND DIAMOND RING
SET WITH AN OVAL-SHAPED SAPPHIRE WEIGHING 20.03 CARATS, FLANKED BY OVAL-SHAPED DIAMONDS, MOUNTED IN 18K WHITE GOLD, RING SIZE 5½
ACCOMPANIED BY REPORT NO. 12070195 DATED 8 AUGUST 2012 FROM THE GüBELIN GEMMOLOGICAL LABORATORY STATING THAT THE 20.03 CARAT SAPPHIRE IS OF BURMA (MYANMAR) ORIGIN, WITH NO INDICATIONS OF HEATING AND THIS COLOUR VARIETY MAY ALSO BE CALLED "ROYAL BLUE" IN THE TRADE