Treatment, change the colors of precious stones | smoky quartz ring

With irradiation, a few gems have improved their colors. BleachedFor off-pearl shades of a darker color. Brown or yellow diamonds can be colored. Saphire, pale yellow or colorless may be yellow-orange, but it could change the last several days. ... Transparency, the ability of light through a gemstone inclusions and to assess the quality of a no-no, transparency can be finished. Use the following commandsTips to help you evaluate the clarity and transparency of gemstones. ...