20.97 Ct. Purple Star Sapphire from Ceylon (Sri Lanka)

If you are searching for a singular gemstone that ends the hunt for a signature engagement stone, a centerpiece for an heirloom ring, or a rare specimen to anchor a serious collection, this gem answers that need decisively. Many buyers come to us wanting a star sapphire that combines presence, personality, and provenance, they want a gem that is immediately recognizable, yet deep and complex enough to reward close study, they want assurance that the stone is natural and untreated, and they want the confidence that comes from authoritative laboratory certification. This 20.97 carat purple star sapphire delivered to you by The Natural Sapphire Company does all of that, it is large enough to make a lasting impression, it displays a luminous star that moves and settles with every shift of light, and it comes with the strongest possible backing in the form of a GIA report. If your priority is to own a gemstone that is rare, beautiful, and reliably described, this stone ends the search with certitude.

Technically this is a transparent, GIA certified, reddish purple star sapphire weighing 20.97 carats, presented in an elegant oval shape with dimensions 17.19 x 12.08 x 9.29 mm, the gem is fashioned as a cabochon to best reveal the star phenomenon, the clarity is graded as very slightly included when evaluated at eye level, which means the stone reads clean to the viewer while retaining the natural inclusions that produce the striking asterism. Color is described on the lab report as vivid intensity in the reddish purple range, the polish on the dome is excellent which allows light to glide across the surface and intensify the star, and importantly, the stone has received no enhancement, so you are acquiring an untreated natural treasure from Ceylon Sri Lanka, a classic and desirable origin for star sapphires. The GIA certificate that accompanies this gem documents the attributes you see and confirms the origin, the color classification, and the absence of enhancement.

Imagine this cabochon set into a finely crafted ring or pendant, mounted to celebrate the stone rather than to compete with it, the generous 20.97 carat size and oval proportions lend themselves to settings that showcase the central star, a low bezel setting in platinum or warm yellow gold can protect the dome while framing the color, an openback mount paired with careful lighting will allow the gem to display its transparency and deepen its purple radiance, and a custom design with understated side stones will let the star remain the hero. For collectors, this gem offers a rare combination of size, clarity, and untreated origin that makes it a standout acquisition, the vivid reddish purple tone is unusual and highly sought after, and the gem reads equally well when studied under magnification or admired in daily wear, making it both a visual joy and a responsible investment in provenance and quality.

At The Natural Sapphire Company we understand that buying a gemstone of this caliber can feel like the culmination of a long search, we stand ready to provide detailed images, the full GIA report, and a private viewing or consultation with our gemologist so that you can inspect the star, assess the color, and consider mounting options with expert guidance. We offer secure shipping, professional setting services, and a satisfaction guarantee designed to make your purchase simple and certain, whether you are creating a once in a lifetime engagement piece, expanding a museum grade collection, or acquiring a singular stone to pass down through generations. This reddish purple, transparent, GIA certified star sapphire from Ceylon Sri Lanka is precisely the kind of gem that resolves the quest for rarity, beauty, and credibility, let us help you make it yours.