15.29 ct Oval Tanzanite Gemstone – GIA Certified

A remarkable 15.29 carat oval tanzanite with exceptional size and depth of colour. Larger stones like this allow the colour to fully develop into a rich, velvety blue. GIA certified, it exhibits a strong blue-dominant tone with vivid flashes of violet under light. This gemstone sits at the highest level of quality — VB 6/6 — and is equivalent to AAA+ / heirloom grade, representing the top 1% of all tanzanite mined. A rare, high-impact gemstone with true collector appeal.