Minimalist Round Australian Black Opal Engagement Wedding Ring 18K Yellow Gold. Free Domestic USPS First Class Shipping! Free Gift Bag or Box with every order! Opal—the queen of gemstones, is one of the most beautiful gemstones in the world. Every piece of opal is unique in its own ways and patterns. We only use high-quality Natural Opals (NO synthetics or imitations) for our jewelry. ---------------------------------------------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18K Yellow Gold Australian Black Opal: 0.19 ct Opal Size: 4 x 3.5 mm Ring Size: 7 Play-of-Color: Blue, Green, Yellow Occasion: Engagement/Anniversary ---------------------------------------------------------------------------------------------- REPAIR For a repair quote, please contact us and provide detailed pictures of the item. ------------------------------------------------------------------------------------- ADDITIONAL ADVICE Please carefully read the description and measurements of the items. Images may sometimes make objects appear larger than their actual size.