Crown Design Australian Black Opal Diamond 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, 0.365 ct 5 Diamond: 0.095 ct Opal Size: 6 x 4 mm Opal Color: Blue & Green. Opal Body Tone: N2 Opal Brightness: B3 Ring Size: 7 Occasion: Engagement / Wedding ---------------------------------------------------------------------------------------------- Repair: For a repair quote, please get in touch with us and send detailed pictures to us. ---------------------------------------------------------------------------------------------- ADDITIONAL ADVICE Please read the description and measurement of the items. Sometimes, the images could make the object look a lot bigger than the actual size.