细节
A SAPPHIRE AND DIAMOND RING
Centering upon a cushion-shaped sapphire weighing 5.04 carats, flanked by oval-shaped sapphires weighing 3.34 and 2.59 carats, within a brilliant-cut diamond outline and bifurcated half-hoop, mounted in 18k white gold, ring size 5¼
Accompanied by report no. GRS2002-01598 dated 30 January 2002 from the Gem Research Swiss Lab stating that the 3.34 carat sapphire is of Sri Lanka origin, with no indication of thermal treatment
Report no. GRS2001-04505 dated 24 April 2001 from the Gem Research Swiss Lab stating that the 2.59 carat sapphire is of Burma (Myanmar) origin, with no indication of thermal treatment
Please note that the certificates are more than 5 years old and might require an update