Natural sapphire stone with certificate 1.63 ct

We present a very beautiful and rare specimen of unheated blue sapphire weighing 1.63 carats. The color is cornflower blue, valuable for corundum, labeled as Intense Cornflower Blue. Cut form – cushion. The stone has not been refined. Origin – Madagascar or Sri Lanka. Sapphire contains thin needle-like inclusions of rutile – rutile silk, which is considered a diagnostic feature of blue sapphires. It creates the effect of a glow, neon.