Black Agate Round Australian Solid Opal Stud Earrings 18K Yellow Gold. 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 18k Yellow Gold Australian Solid Opal, 0.32 ct Black Agate Earrings Size: 6x6 mm Occasion: Birthday/Anniversary/Engagement ---------------------------------------------------------------------------------------------- REPAIR: For a repair quote, please get in touch with us and send detailed pictures. ---------------------------------------------------------------------------------------------------- ADDITIONAL ADVICE We recommend reading the description and measurement of the items as images may sometimes make the object appear larger than its actual size.