The color of these stones can change when heated or left in the dark. These stones are also known in the trade as « CHAMELEON » Certificate number: 01744061 ALGT lab 08/11/2024 100% Natural Fancy Diamond (Untreated) No additional taxes or VAT for European buyers - All our diamonds come with an invoice. for the purchase in company, do not hesitate to send your VAT number in private message. - All orders are packed & shipped with great care and delivered by an Express Courier Service. Shipments are insured for Full Value and have accurate Online Tracking. - If you're interested to check more of our lots, please click on the seller’s name next to reviews and location. - See the certificate and photos for more details. - Please note that some of the images are zoomed in. Please refer to the measurements for actual size.