Bird Cage Mexican Fire Opal Necklace Pendant 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 & Ethically opal stones (NO synthetics or imitations) for our jewelry. --------------------------------------------------------------- ABOUT THIS PRODUCT Solid 18k Yellow Gold Australian Solid Opal: 0.90 ct Metal Color: Golden Opal Color: Orange Pendant Size: 20 x 10 mm Occasion: Engagement/Anniversary Chain: Free 18 inches Silver Chain or 18K Solid Yellow Gold Chain for Extra. ---------------------------------------------------------------------------------------------- REPAIR: For a repair quote, please get in touch with us and send detailed pictures. ---------------------------------------------------------------------------------------------------- ADDITIONAL ADVICE We recommend reading the description and measurement of the items as images may sometimes make the object appear larger than its actual size.