11.57 ct Square Emerald Cut Emerald, GRS, Colombia Minor oil

11.57 ct Emerald, square emerald cut, from Colombia. Treatment: Minor oil. GRS report GRS2025-091566. Measurements: 14.90 × 14.19 × 9.10 mm. Our grading: gem quality vivid (muzo, old mine) green. Held in our Toronto inventory.