THIS IS A CERTIFIED NATURAL INDICOLITE TOURMALINE WITH AN OCTAGONAL CUT, ALLOWING FOR THE BRIGHT LIGHT TO ENTER THROUGH THE TABLE (FACE)AND REFLECT BACK OUT WITH A MAGNIFICENT BLUE HALO. A REAL CRACKER OF A GEM! ONE OF THE TOP FOUR RAREST TOURMALINES. This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Loose Gemstones". The seller is "raregemsbyash" and is located in this country: GB.This item can be shipped to United Kingdom.