11 Carat Natural Sapphire Untreated Oval Faceted 15 x 10 mm Gemstone Blue Green Loose Amethyst Quartz is used in many

Quartz is used in many applications

Its unique triangular shape and rich color make it a standout piece

creates a visually stunning effect

images are not to scale and should not be used to determine in-person detail

This stunning eye-clean purple gemstone with medium-dark color saturation is new and ships in a gem jar

11 Carat Natural Sapphire Untreated Oval Faceted 15 x 10 mm Gemstone Blue Green Loose Amethyst Quartz is used in manyGorgeous 11. 40 carat oval faceted natural blue Sapphire gemstone, approximately 15. 17 x 9. 97 x 7. 61 mm. This Sapphire has greenish color zones and is heavily included, and shows no indication of treatment. This gemstone is new and ships in a gem jar. Sapphire, a precious gemstone belonging to the Corundum family, is renowned for its captivating blue hues, though it occurs in a spectrum of colors known as "fancy Sapphires." With a remarkable