3.28 ct Red Oval Ruby
Lovely oval shape ruby in deep red colour. This gemstone would make a beautiful ruby ring or pendant, especially if paired with 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.