Species: Natural Corundum Variety: Blue Green Sapphire Shape and Cut: Cushion Cut Weight: 0.55 Carat Measurements: 5.5 x 4 x 2.7mm Colour: Blue Green Transparency: Transparent Characteristics: Natural inclusion(s) pattern. Standard heated like nearly all sapphires on the market. No diffusion or other treatment. Excellent Cut. Very good clarity, with small inclusions seen when looking closely, as in photos. All items sent by 'signed for' or 'next day' delivery for UK buyers, 'insured tracked & signed' for Europe and international buyers