Stylish Two Color Australian Boulder Opal & Diamond Engagement Ring 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.  Our jewelry uses 100% Natural & Ethical opal stones (NO synthetics or imitations). --------------------------------------------------------------- ABOUT THIS PRODUCT 18K Yellow Gold Australian Boulder Opal, 0.55 ct 8 Diamond: 0.113 ct Opal Size: 7 x 4.5 mm Opal Brightness: B4 Very Bright Opal Color: Reflects Red, Green, and Yellow Colors. Ring Size: 7 Occasion: Engagement/Anniversary ---------------------------------------------------------------------------------------------- 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.