Yin-Yang Australian Black Opal Diamond Sapphire Engagement Ring 18K Yellow Gold Black Agate Ring. Design Name: Yin-Yang Design Idea: The Australian black opal takes center stage, surrounded by 24 natural diamonds representing the white essence of yang, and black Agate embodying the depth of yin. May this symbol of balance bring peace to your heart and home. 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, 0.93 ct Opal Body Tone: N1 Opal Brightness: B4-B3 24 Diamonds: 0.078 ct 2 Sapphire: 0.011 ct Black Agate: 0.18 ct Opal Size: 9 mm x 6 mm Ring Size: 7 Opal Color: Reflects Bright Green, Blue, Colors. Occasion: Engagement / Wedding