Species: Natural Corundum Colour: Blue Carat: 4.11 Shape & Cut: Rect. cushion mixed cut Clarity: Very, very slight inclusions Dimensions (mm): 10.14 x 7.15 x 6.09 Enhancement: None Origin: Ceylon Ceylon Cornflower blue sapphire. Unheated, untreated natural light to medium blue. Even colour. Very good cut and lustre. Minicual Minor crystal inclusions only visible at very close inspection, great clarity. Magnificent piece.