细节
A GROUP OF SAPPHIRE AND DIAMOND JEWELLERY
Comprising a ring set with an octagonal-shaped sapphire weighing 5.46 carats, within a brilliant-cut diamond surround and bifurcated three quarter-hoop; and a pendant set with an oval-shaped sapphire weighing 2.49 carats, within a brilliant-cut diamond openwork quatrefoil surround, mounted in 18k white gold, ring size 5¼, necklace 40.6 cm long
Accompanied by report no. GRS2002-04263 dated 18 April 2002 from the Gem Research Swiss Lab stating that the 5.46 carat is natural, with no indication of thermal treatment
Report no. GRS2001-05335 dated 14 May 2001 from the Gem Research Swiss Lab stating that the 2.49 carat is of Madagascar origin, blue colour (GRS type "royal blue"), with no indication of thermal treatment
Please note that the certificates are more than 5 years old and might require an update
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