0.99 carats Sky Blue Round Natural Diamond (Treated)Enjoy the fine beauty of this exclusive diamond. Just shy of a carat, 0. 90 carat to be specific. This sensational diamond boasts a sweet sky blue tone and is perfectly cut and polished in a brilliant round cut. The diamond is treated to enhance her sweet sky blue hue. However, this enhancement is 100% permanent to ensure a long lasting lifetime brilliance. The diamond comes with a VS1 clarity grade and guarantees very few inclusions to the naked eye.