New, unused natural loose diamond by Surat*Diamond*City - 0.25 carat (0.25 TCW), round Tambuli/Portuguese shape, Excellent cut grade, Included (I3) clarity, 3.5 mm diameter x 2.0 mm depth, 1 piece. Greenish gray/blue fancy color (treated/irradiated, color-enhanced), opaque finish; polished in India and sourced from Africa/South Africa; certifiable with company letterhead digital certificate available on request.