6.52 ct Square Cushion Blue Sapphire, GRS, Ceylon Unheated

6.52 ct Blue Sapphire, square cushion cut, from Ceylon. Treatment: Unheated. GRS report GRS2026-018826. Measurements: 10.02 × 9.80 × 6.63 mm. Our grading: fine quality vivid (royal) blue. Held in our Toronto inventory.