With jeweller's mark for Judy Chao
Accompanied by two report nos. GRS2012-043615 and GRS2012-043614 dated 26 April 2012 from the Gem Research Swiss Lab stating that the 4.26 and 4.73 carat rubies are of Mozambican origin and with no indication of thermal treatment
Accompanied by two report nos. GRS2012-043615 and GRS2012-043614 dated 26 April 2012 from the Gem Research Swiss Lab stating that the 4.26 and 4.73 carat rubies are of Mozambican origin and with no indication of thermal treatment