Sterling Silver Created Blue Sapphire Stud Earrings, Hypoallergenic Blue Sapphire is a Stone of Wisdom, a royal stone of learning, mental acuity and psychic activation, a seeker after spiritual truth. Its pure Blue Ray brings order and healing to the mind, lending strength and focus, and an ability to see beneath surface appearances to underlying truths and to utilize that knowledge. Made in High-Quality Hypoallergenic, Nickle and Lead Free 925 Sterling Silver, with a Glimmering Rhodium Plating for Shine and Protection. These earrings are adorned with 3 mm by 3 mm wide stones and have an 11 mm long post and Butterfly backings. Comes in a soft black pouch, perfect for gift-giving! Shop with confidence. 100% satisfaction guaranteed.