Home Items for Sale ADD TO FAVORITES Feedback CONTACT US Lab Created Blue Sapphire Corundum Round Faceted Loose Stones (3mm - 20mm) Description Round Lab Created (Corundum) Blue Sapphire. These sapphires have the same chemical compound as natural, mined from the earth sapphires! They will fit in most of our same-sized calibrated settings. Chemical composition: Al2O3 Crystal Structure: Hexagonal Purity: 99.99% Refractive Index: 1.717 Density : 3.98-4.1 g/cm3 Hardness Mohs: 9 Manufacturing Method: Verneuil, (Also called Flame Fusion) SHIPPING INFORMATION All orders are sent via Thailand Post (for registered mail) and are sent out in 1-2 working day unless specified otherwise on the listing. A valid tracking number will be uploaded onto eBay once your item has been marked as dispatched, which will allow you to track your item's journey. If your item has yet to arrive by the estimated delivery date given, please contact me and I will be happy to help! PAYMENT METHODS We accept via PayPal. Please make sure your PayPal and eBay shipping addresses match. We will send your order immediately after receipt of the order, even if you have not yet paid. We would like to offer you, the customer, the best possible service and are ready to take on the seller's payment default risk. FEEDBACK We appreciate your business, if you are satisfied with our service, please leave us positive feedback and why you were satisfied with your order. All feedback is appreciated to help us serve you better. It's our aim to provide you with great products at a great price, along with a great service. CONTACT Our priority is to make sure our customers receive the best possible service at all times. Therefore we make ourselves available 24/7 via email. Or To contact our customer service team, just click Send Message and our customer service team will be happy to assist you. QUICK CONNECTIONS Home Items for Sale ADD TO FAVORITES Feedback CONTACT US PAYMENT OPTIONS Secure payments through SAVE NEWSLETTER Add store to your favorites and receive email newsletters about new items and special offers! Register now