Species Natural Blue Sapphire Variety Sapphire Shape And Cut Fancy Cut Weight 2.72 Carat Measurements 12 x 7.6 x 3.7mm Color Blue Transparency Transparent Standard heated like nearly all sapphires on the market. No diffusion or other treatment. Excellent cut and good clarity with only some small natural inclusions visible when looking closely. All items sent by 'signed for' or 'next day' delivery for UK buyers, 'insured tracked & signed' for Europe and international buyers.