Chrysoberyl & Diamond Ring 14kt Yellow Gold. The 14kt yellow gold ring is set with a pear shape chrysoberyl (1.00ct) and two round cut diamonds (0.05cttw). The ring has been tested to be 14kt gold and is size 6. This includes an insurance appraisal of $801.00. A chrysoberyl is the third hardest natural gemstone. This stone used to be referred to as chrysolite during the Victorian and Edwardian eras.