Set with an oval-cut sapphire weighing 4.52 carats, within a pierced rose-cut diamond surround, to the 18k white gold band, ring size 8

Accompanied by report no. GRS2007-030360T dated 24 March 2007 from the Gem Research Swiss Lab stating that the 4.52 carat sapphire is of Burmese origin, vivid blue (GRS type "Royal Blue") with no indication of thermal treatment