Dainty size, big impact. Lab grown round white sapphires perfect for everyday shine, in the most wearable 12mm hoop. - Round Stone Size: 3 mm - Outer Diameter: 12 mm - Width: 3 mm - Thickness: 2.30 mm Lab Grown Gemstones Our lab grown gemstones share the same physical and chemical properties as natural gemstones. They are valued for their beauty and longevity. Sterling Silver 925 Sterling Silver is a lightweight metal made of 92.5% pure silver. It’s highly durable and designed for everyday wear.All of our sterling silver product is made from 95% recycled material Earrings, pouch, and polishing cloth included