The product is a pair of 7mm natural top quality AAA tanzanite round loose gemstones. These gemstones are transparent with a beautiful blue color, originating from Tanzania. They have been heated for enhancement and have an excellent cut grade, making them ideal for jewelry making. With an eye-clean clarity grade, these gemstones are sure to add a touch of elegance to any piece of jewelry. Certification is available upon request, adding to the authenticity and value of the product.