Ring Details:- Main Gemstone: Natural Tanzanite Side Stones: Natural Diamond Metal: 14k White/ Yellow Gold Hallmark: 14k Stamp Ring Size: 57 Certification: IGI Certificate Included Kindly check certificate for more details. NOTE FOR BUYERS: 1. This item will be shipped via FedEx/DHL. You will receive it in 3-5 business days. 2. Country of origin is an opinion offered by the seller of this item. This opinion is not substantiated by an official laboratory. 3. The buyer is responsible for applicable customs duties and/or taxes during shipping. 4. If there’s any issue kindly contact us before leaving a bad review, we will make sure that you’re completely satisfied. Feel free to contact us for any query.