PT Alexandrite Diamond Ring Pt900 Natural Mineral Name: Chrysoberyl Gemstone Name: Alexandrite Cut: Pear-shaped A0.388ct D0.28ct Size #12 Size adjustment takes about 10 days. The color change is amazing. It's difficult to capture it well in images. Nobility, passion, birth, glory, hidden feelings, independence, departure. It is said to be deeply related to the growth of the inner self, and it signifies the strength to live by one's own beliefs without being swayed by others. Some people give it as a gift to a loved one as a "present to grasp success and opportunity." It is a gemstone that has a color-changing effect that changes color depending on the light, and is also known as the "King of Gems." It appears bluish-green in cool-toned light such as daylight or fluorescent light, and shines red or purple under warm-toned light such as candlelight or incandescent light, hence it is also called "Emerald by day" and "Ruby by night."