Exceptionally rare, this stone is particularly striking not only for its color but also for being meticulously cut and polished from a single piece. What further sets us apart is the addition of an ALGT certificate, provided by an internationally renowned laboratory headquartered in Antwerp. ALGT is globally recognized for its advanced technology and highly accurate analyses. The included certificate not only enhances the value of the item but also provides you with the assurance that you are receiving an authentic and high-quality piece, independently tested and verified by experienced gemologists. Product Description: ALGT Certificate Information: Report Number: 420480418 Species: Natural Corundum Shape & Cutting Style: Bangle, Polished Measurements: 76,36 x 59,58 x 13,08 mm Weight: 73,48 in grams Color: Intense Purple (Reddish) (Uneven) Transparency: Semi-translucent Comments: A significant amount of oil/resin in fissures. This treatment has become a common practice in trade for many gemstones.It increases the stability of the gemstone during the cutting and polishing processes. It is reversible at any time. Dimensions: Inner Diameter: 58.67 mm Note: The color is completely natural, with no dye treatments or chemical enhancements applied. Item Condition: Excellent