Classic Halo Design Australian Opal & Diamonds Stud Earrings 14K Yellow Gold This design uses 1.5mm diamonds to enhance the beauty of the opals and bring extra shine to the earrings. Free Domestic USPS First Class Shipping! Free One Year Limited Warranty! Free Gift Bag or Box with every order! Opal—the queen of gemstones, is one of the most beautiful and rarest gemstones on earth. Every piece of opals has its colors and patterns, which is perfect for designers to create unique engagement rings f Fine Jewelry Opal Earrings For Anniversary, Opal Earrings For Anniversary - Fine Jewelry, Anniversary Opal Earrings Fine Jewelry, Opal Gemstone Earrings For Anniversary, Opal Earrings For Wedding, White Diamond Birthstone Earrings, Rarest Gemstones, Jewelry For Couples, Promise Jewelry