5.09 ct Red Cushion Ruby
Beautiful vibrant red colour ruby in classic cushion shape. A perfect gemstone for a ruby ring or pendant, especially if surrounded by sparkly diamonds.
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.