Welcome to DESIGN ASSOCIATES GEMSTONES We are pleased that you have found us! We are based in the USA and have provided the world with quality gemstones since 1988. Our goal is for you to be 100% satisfied. IOLITE 5 x 2.5 MM MARQUISE CUT 4 PIECE SET ALL NATURAL Iolite is the gem name for Cordierite, also called Water Sapphire. Iolite has Dichroite properties, as it shows two or more colors at a time. Iolite is a violet blue color and may be lightly included. Inclusions of hematite and goethite cause reddish coloring. Found mostly in Asia and India. A Fine Natural and Untreated Gemstone INDEX OF REFRACTION: 1.52 - 1.57 HARDNESS: 7 - 7.5 Beautiful Light to Deep Blue Color with a Purplish tinge. Popular substitution for more expensive blue gemstones. A Natural Untreated Gemstone Outstanding Stone for Jewelry or Collecting .15 Average Carat Weight Per Stone Sold As A 4 Piece Set Color will vary from monitor to monitor. USA Shipping 1. USA Shipping is $6.95. Purchase one item and all other items purchased are shipped free as long as they are paid for at the same time. We offer a combining period of 10 days. Please do not pay for your items separately if you wish to combine. Once you pay, no further items may be combined on that invoice. 2. If your invoice totals over $300.00, we will pay the shipping. Please take advantage of this! International Shipping International shipping is based on the value of your invoice. 1. $21.00 USD is the international shipping charge for invoices totaling $74.99 USD or less. Shipment will be via USPS. Purchase one item and all other items purchased are shipped free as long as they are paid for at the same time. We offer a combining period of 10 days. Please do not pay for your items separately if you wish to combine. Once you pay, no further items may be combined on that invoice. 2. $58.00 USD is the international shipping charge for invoices totaling $75.00 USD or more. Shipment will be via EMS. Purchase one item and all other items purchased are shipped free as long as they are paid for at the same time. We offer a combining period of 10 days. Please do not pay for your items separately if you wish to combine. Once you pay, no further items may be combined on that invoice. 3. If your invoice totals over $700.00 USD, we will pay the shipping. Please take advantage of this! Additional international shipping notes: 4. Delivery may take 14-28 business days not including holidays. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. 5. Please check with your countries customs office to determine what these additional costs will be prior to buying. 6. Some countries require higher cost shipping so please contact us for shipping costs if you have any questions. 7. Returns are at buyer's expense.