Natural Indicolite Tourmaline faceted cushion shape. Weight - 3.86 ct Size - 12.72 x 7.10 x 4.87 mm. Clarity - transparent, looks eye-clean. Color - Deep greenish-blue. Exceptionally rare color. Treatment - Natural. Heated or not can't be determined, hence not mentioned in the report. Certification: ALGT Belgium certificate no: 69933836. A top rare gem - amazing fire and luster - top rare color - excellent cut - A real delight for Tourmaline lovers, collectors, and investors. Don't miss it. Shipment: Trackable and Insured. Duties and Taxes: Buyer,s responsibility. IMPORTANT. Pictures were taken under white light and natural daylight with magnification, to display as accurately as possible, Tried our best to capture as real colors as possible, but they may slightly differ.