This is a 10.12 Ct natural tanzanite from Tanzania, displaying a beautiful blue color with strong saturation and vibrant brilliance. The gemstone presents a rich and eye-catching appearance, making it highly desirable for fine jewelry.Importantly, this tanzanite is unheated, preserving its natural state. While most tanzanites undergo heat treatment to enhance color, unheated examples are less common and retain their original characteristics.The gemstone is cut in a classic oval shape, measuring 15.00 × 12.00 × 8.40 mm, offering a bold and well-proportioned face-up presence suitable for statement jewelry pieces.With VVS clarity, the stone exhibits exceptional transparency with minimal inclusions, resulting in excellent brilliance and a clean, refined appearance.With its combination of large size, strong color, unheated status, and fine clarity, this gemstone is ideal for high-end jewelry or as a collector’s piece.Certification: NoneNote: Certification from reputable gemological laboratories can be arranged upon request, with the cost to be borne by the customer. Browse more tanzanites in our collectionExplore our full tanzanite catalogue on Gem Rock Auctions








