Product Details Stone Description: Please refer to the pictures for sizes Stone Setting Material: 925 sterling silver / white gold plated Chain Description: 925 sterling silver The shapes and fires vary based on the opal The dimensions are measured in length * width * depth There might be more fire on the opal than appeared in the picture The prices are different based on the opal fire and size Perfect Necklace piece to have in your collection All opal are high quality and neatly polished Please refer to the images before choosing from option Perfect for gifting, it comes with a jewelry box Money-back guaranteed if it is not what you expect We provide good customer service, please contact us for any questions that you may have Click on the â€œUniquelan Jewelryâ€ link on our product title, to visit our storefront, We have all kinds of unique jewelry that you will love. For Raw stones: It is usually difficult to have a particular shape and color for raw untreated stones. We specialize in different types of Raw Gemstones, and crystal. what you receive, will not look exactly like the one in the picture as displayed. But it will look as beautiful and very similar.