AVERAGE WEIGHT ON AMETHYSTS OF THIS SIZE IS APROX .40cts. FEATURING VERY ATTRACTIVE MEDIUM PURPLE COLOR AND GOOD CUTTING VS OR BETTER IN QUALITY. JUST THE RIGHT SIZE FOR A SPECIAL RING OR PENDENT. OVERALL A NICE ITEM FOR THE JEWELRY DESIGNER OR COLLECTOR THIS IS A NATURAL EARTH MINED IN BRAZIL AMETHYST. OFFERED AN EXCELLENT BUY IT NOW PRICE.