Elegant Black Opal, Diamond, and Tsavorite Engagement Ring with Black Agate in 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 GoldAustralian Black Opal, 0.58 ct24 Diamond, 0.075 ct4 Tsavorite: 0.101 ctBlack AgateOpal Body Tone: N2Opal Brightness: B3Opal Size: 6 x 6 mmRing Size: 7Opal Color: Reflects Pink, Yellow, and Green Colors.Occasion: Engagement / Wedding -----------------------