18KW OVAL SAPPHIRE & DIAMOND HALO NECKLACE SAP=3.19CT 12D=.75CT

Lady's 18k white gold sapphire and diamond halo necklace set with an oval sapphire weighing 3.19ct, with G.I.A. Report no. 2235401709, with color description as "Royal Blue" and geographic origin of Madagascar, set with 12 round brilliant diamonds weighing .75ct total weight, G color, VS2 clarity, sliding on a 18k white gold cable link chain adjustable 16" - 18".