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 for someone extra special.  We use 100% Natural & Ethically opal stones (NO synthetics or imitations) for our jewelry. --------------------------------------------------------------- ABOUT THIS PRODUCT Solid 14k Yellow Gold Australian Crystal Opal, 0.18 ct 16 Diamonds: 0.25 ct 1.5mm Earrings Size: 7x7 mm Opal Size:  3x3 mm Occasion: Birthday/Anniversary/Engagement ---------------------------------------------------------------