Platinum 7.50ct Cushion Cut Blue Sapphire and Diamond Ring, the approximate 7.50ct sapphire flanked by diamond halo 2.50ctw, accompanied by GIA Report No. 7235341768 stating center stone measuring 12.87 x 10.37 x 6.91mm, origin Sri Lanka, heated stone with near colorless round brilliants; gross weight 9.00g
Size 4.5
Provenance: The Estate of Carole P. Webster, Nantucket Islan, Massachusetts
