925 Sterling Silver 6mm Round Blue Fire Opal Stud Earrings For Women Product Details These stud earrings feature 6mm round genuine Ethiopian opal stones. The earrings are crafted of .925 sterling silver and are secured by a post and friction backs. Product SpecificationsMetal Type: sterling-silverMetal Stamp: 925-sterlingLength: 6 MMWidth: 6 MMBack Finding: post-with-friction-backBlue Fire OpalStone Weight: 1.1Shape: Round shapeSetting: prongsColor: White, Blue Please Check My Listings RETURNSYour satisfaction is very important to us. That's why we offer a 30 Day 100% Satisfaction Guarantee. If the item you receive is not as described you get your money back. Please return the item to us (to the address listed on your invoice) and we will exchange or refund your purchase price. Please include a note detailing the problem and what you would like us to do about it (i.e. exchange or refund).