COLOR CENTER DIAMOND CRYSTAL CAN BE FUN FOR ANYONE

HPHT therapy of Variety Ia diamonds usually results in a recognizable lessen in platelet concentration and, if the therapy temperature is >2000 °C, the existence of C centers can commonly be detected in addition to a and B centers. Baseline offset for clarity.Photoluminescence spectroscopy reveals that unstable defects are eradicated by HPHT treat