Lapis lazuli is a semi-precious stone, a solid solution primarily composed of lazurite, a mineral of the sodalite group, along with other minerals such as sodalite, hauyne, and nosean. In Japanese, it is known as ruri (瑠璃). It is a beautiful "sacred stone" that has been revered since ancient times. This stone is believed to ward off evil thoughts, anger, and jealousy, and to avert danger. It is said to correct the wrong ideas in one's heart and lead the owner to good fortune. *We also offer size adjustments, so please select your desired size from the options. Material: K18 YG (stamped) ・ Lapis lazuli (approx. 8 x 6 mm) Size: Approx. size 8.5, 1.6 g Color: Yellow gold + Royal blue Keywords: Lapis lazuli, ruri (瑠璃), lazurite, birthstone, K18, 18k, precious metal, ring, present, small gift, for women, Mother's Day, Valentine's Day, Christmas, entrance ceremony, entrance celebration, graduation ceremony, graduation celebration, coming-of-age ceremony, coming-of-age celebration, new life, renewal, fresh start, date, anniversary, everyday use, outing, outdoor, female