Sterling Silver Swiss Blue Topaz & White Created Sapphire Women's Pendant Necklace (0.82 cttw, With 18 inch Silver Chain) MEASUREMENT - Center Stone: 5 mm, Small Stones: 1.1 mm; Swiss Blue Topaz & White Created Sapphire Pendant Crafted in 925 Sterling Silver With an 18 Inch 925 Sterling Silver Chain. CARAT TOTAL WEIGHT - 0.82 CT (This item is proudly custom made in the USA) CRAFTED - in High-Quality Lead Free 925 Sterling Silver that delivers exceptional shine and ultimate protection. TOTAL SATISFACTION GUARANTEE - When you order today, you're protected. The item comes with a No questions asked money back guarantee combined with world class customer service. Free Return and Refund and One Month Warranty and Free Second Day Delivery for Amazon Prime! Gemstones may have been treated to improve their appearance or durability and may require special care.