925 Sterling Silver Ring with beautiful Lapis Lazuli setting. Surface width is approximately 3 mm. Lapis Lazuli is a powerful crystal for activating the higher mind and enhancing intellectual ability. It stimulates the desire for knowledge, truth and understanding, and aids the process of learning. A stone of truth, Lapis encourages honesty of the spirit, and in the spoken and written word. It is also a stone of friendship and brings harmony in relationships, making it a great gift.