Approximately 7cm in diameter, the size of one prayer bead. Lapis lazuli: about 7mm Crystal: about 1cm Purchased at a department store. New, unused. A dragon god is engraved on the crystal stone, and it has power. The crystal has a high purity and is very beautiful. Lapis lazuli is also said to be a stone that attracts happiness. Although it is new and unused, it has been stored at home, so please understand this before purchasing.