9.59 Oval Royal Blue Sapphire
Beautiful oval shaped sapphire in deep and vivid royal blue colour. This exceptional gemstone would make a gorgeous piece of jewellery to wear on special occasions.
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.