80f01b99_d_other_fine_natural_gemstones__Notes
[Gemstone] Ruby [Code] D or F [Enhancement Method] Improve color/appearance [Use] Common [Stability] Good/Poor [Care] Special [Notes] 
Avoid Heat/Ultrasonic/Chemicals
Gemstone Enhancements : Simply Sapphires-Blue Ceylon Sapphires, Untreated Sapphire, and Fine Colored Gems, Sapphires, Tanzanite and other fine natural gemstones
Notes