Rare bi-color 4.53ct blue and yellow Sapphire

This large sapphire exhibits a rich yellow hue anchored in the middle with an inflection of strong blue saturation creating a color palette that is as unique as a fingerprint. Measuring11.5mm x 8.8mm x 4.5mm, and having a Mohs hardness rating of 9 out of 10, it is perfect for setting and everyday wear. Beryllium heated only.