15.69 Ct. Bluish Grey Star Sapphire from Ceylon (Sri Lanka)

If you are searching for a rare and naturally beautiful star sapphire to complete an engagement ring that will be treasured for generations, or a museum quality specimen to enhance a private collection, this gemstone answers that need precisely. This is a transparent, AGL certified pale blue oval star sapphire weighing 15.69 carat, with dimensions 13.95 x 12.12 x 8.89 mm, featuring a classic cabochon cut that showcases a distinct star pattern across the dome. The gem displays a bluish grey hue with intense color intensity, excellent polish, and a clarity grade of very very slightly included evaluated at eye level, all signaling a stone that combines visual appeal with the type of clarity collectors and discerning buyers prize. The asterism appears sharp and centered, and because this sapphire has no enhancement and originates from Ceylon Sri Lanka, it carries the natural provenance and integrity that serious buyers seek, backed by the accompanying AGL certification and Lab Color Classification Pale Blue.

At The Natural Sapphire Company we understand that your priorities include authenticity, lasting beauty, and a stone that fits your design vision effortlessly. This 15.69 carat star sapphire is an ideal solution for a bespoke engagement ring where the star can be oriented to create a moving focal point as the wearer moves, or as a standout collector piece that demonstrates both rarity and natural formation. Its substantial size and transparent body allow the star to be seen clearly under light, while the excellent polish yields a soft, luminous surface that complements platinum, white gold, or cool rose gold settings. Because the stone is untreated, it preserves full market value for collectors and reassures couples who want an engagement gem with documented natural origin. We invite you to consult with our gem specialists about setting options that emphasize the asterism, to request additional photos or a short video under directional light, and to take advantage of our secure purchasing and worldwide shipping options, all provided with the full AGL paperwork to confirm the stone details and provenance.