Birthstone for the month of December and traditional gemstone gift for 4th & 41st wedding anniversaries..18 Inch Silver Chain Included with Pendant. Features 0.6 Carat London Blue Topaz..Free Certificate of Authenticity. Easy Returns - If you are not 100% satisfied with your purchase, you can return it for a full refund or exchange it within 30 days of the delivery date. Returns, including free gifts, must be unworn and in the state that you received them..Angara offers high-quality London Blue Topaz jewelry in a variety of appealing designs. All our London Blue Topazes are sourced directly from mines and manufacturers. The exceptional craftsmanship ensures that every London Blue Topaz jewelry piece will last for generations..All our items are packaged with care in appealing boxes with plush interiors.