2.10 ct Blue Cushion Sapphire
Beautiful natural cushion shape sapphire in sky blue colour. This stunning gemstone would make an excellent sapphire ring or pendant.
More care is needed with treated stones.
Sapphires can be treated to improve colour by a process called diffusion. Older stones treated in this way may only have treatment near the surface, so if you become aware that you or a customer has a stone treated in this way avoid repolishing.