4.06 ct Red Cushion Ruby
This super size red stone is lustrous, very well-laid out and clean. Cut for the finest piece of jewellery.
Rubies are increasingly being treated by filling with glass and stones. Rubies that have been treated in this way may contain a very large percentage of glass. If you become aware that you or a customer has such a ruby, avoid direct heat, acids, ultrasonic and steam cleaners, knocks and blows.