This product is a natural top-quality cobalt blue spinel oval loose gemstone sourced from Tanzania. With a transparent clarity grade and eye-clean appearance, this gemstone is perfect for jewelry making. Certified upon request, this gemstone is wholesale priced and not enhanced, making it an ideal choice for those looking for a high-quality, natural gemstone with vibrant blue color and elegant oval shape. Perfect for creating stunning pieces of jewelry, this gemstone is sure to impress with its unique beauty and origins.