3.05 ct Blue/Violet Oval Sapphire
Unique oval shaped sapphire in lively violetish blue colour. If you love a gorgeous bright blue in your jewellery, then this one is a perfect pick.
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.