7.8x5.5mm Oval Sapphire & 12 Diamond Necklace, 16–18"

A 14K white gold necklace centered on a 1.38 ct oval blue sapphire in a halo of 12 round diamonds (0.40 ct), on a 16–18 inch adjustable chain.

Measurements: oval sapphire 7.8 x 5.5 mm.