A magnificent 5.10-carat natural sapphire presenting a deep, luxurious blue tone in an elegant cushion silhouette. Dimensioned at 10.2 x 8.9 x 6.6 mm with expert faceting, this gemstone balances substantial presence with refined proportions. The slightly included clarity is typical of genuine sapphires, while heat treatment amplifies its stunning color saturation. Ideal for statement jewelry designs, heirloom pieces, or discerning collectors seeking authentic gemstone quality.