Marquise Australian Solid Opal & Diamond Engagement Ring in 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 & Ethical opal stones (NO synthetics or imitations) for our jewelry. --------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold, Australian Solid Opal: 0.33 ct Diamonds: 0.029 ct Opal Size: 8x4 mm Ring Size: 7 Opal Color: Reflects Green, Yellow, and Blue Colors. Occasion: Engagement/Anniversary --------------------------------------------------------------- REPAIR: For a repair quote, don't hesitate to contact us and send us detailed pictures. --------------------------------------------------------------- ADDITIONAL ADVICE: Please read the description and measurement of the items. Sometimes the images could make the object look bigger than the actual size.