80f01b99_d_other_fine_natural_gemstones__Notes
[Gemstone] Diamond-Colored [Code] LC,F, or R [Enhancement Method] Laser drilled to improve appearance Irradiated for fancy color [Use] Very Good Occasional [Stability] Very Good Fair/Poor [Care] Normal Special [Notes] 
Steaming/Ultrasonic may affect color/appearance
Gemstone Enhancements : Simply Sapphires-Blue Ceylon Sapphires, Untreated Sapphire, and Fine Colored Gems, Sapphires, Tanzanite and other fine natural gemstones
Notes