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6.33 Ct. Black Star Sapphire from Ceylon (Sri Lanka)

Item ID: S47352

This loose stone ships by Oct 15

 
Free shipping
$1,266

Quality, Value & Heart
100% Natural Sapphires
Free Shipping - Worldwide
14 Day No Hassle Return Policy
Supports Local Charities
Product Details
Item ID:
S47352
Dimensions (MM):
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Length: 9.78
Width: 9.09
Height: 6.7
Weight:
6.33 Ct.
Color:
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Black
Color intensity:
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Dark
Clarity:
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Slightly Included
Shape:
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Oval
Cut:
Cabochon
Cutting style:
Cabochon
Enhancements:
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No Enhancement
Origin:
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Ceylon (Sri Lanka)
Per carat price:
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$200
Star appearance:
2-4 Ray, Strong Star Appearance
Product description

Imagine presenting a ring that feels like a promise held in the night sky, a single stone that captures wonder and meaning, one beautiful opaque 6.33 carat oval shape black star sapphire with dimensions of 9.78 by 9.09 by 6.70 mm, cut en cabochon to reveal its full celestial soul. This gem carries a clarity grade of slightly included when evaluated at eye level, a dark color intensity that gives it an intimate depth, and an excellent polish that lets light glide across its surface like silk. Untreated and free of enhancement, and sourced from the legendary gem fields of Ceylon Sri Lanka, this star sapphire is both honest and rare, a tactile memory you can wear, and a stone that will become a story told at every gathering. The weight and presence of 6.33 carats are immediately felt on the hand, a reassuring heft that reads as commitment and care, and the oval cabochon shape offers a timeless silhouette that flatters every setting.

The natural asterism in this gem is a quiet miracle, a perfectly formed star that appears to float on a velvety black sea, showing sharp star like rays that cross the dome when the light moves across it. The star displays a clear six rayed pattern, its rays thin, distinct, and evenly spaced, drawing every eye into the center where motion and stillness meet. In softer light the star becomes a subtle secret, in bright light it blooms into an unmistakable symbol, as if the universe marked this moment for you. That living star becomes a metaphor for guidance and unwavering devotion, an emblem that speaks of finding one another and choosing to navigate life together. For an engagement gem this is more than beauty, it is an ever present signpost, a piece that transforms ordinary days into quiet ceremonies.

Choosing this black star sapphire from The Natural Sapphire Company means offering a ring that is powerfully personal and utterly unique. Imagine a simple bezel to cradle the cabochon and let the star glide across the surface, or a refined platinum or warm yellow gold mounting to set the tone of the piece, each choice amplifying the emotional resonance of the gem. This is a jewel made to be worn nightly, to be polished by years of laughter and life, to be passed down as a talisman of love and resilience. If you seek an engagement option that combines rare natural phenomena, ethical provenance, and a visual language that says forever, this Ceylon black star sapphire will carry your promise with dignity and wonder.

Watch our process
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Our Process video
Our Packaging
Beauty is in the details
Our packaging, reports, and documentation are crafted to be refined, concise, and trustworthy. With our reputation as our greatest asset, we never cut corners. Explore our detailed reports and premium packaging for every sapphire.

Our custom zinc alloy ring boxes are designed to impress as much as our sapphire rings and jewelry. Each box weighs nearly a pound, adding a touch of luxury to your experience.
Zinc-alloy ring box - opened
Our customers often comment about our stunning, hand made, presentation boxes and reporting documents. Large zinc-alloy boxes are included at no extra cost for jewelry items over $5000.
Zinc-alloy ring box - closed
Presentation matters. We take extra special care to present our items professionally. Our custom hand-made zinc-alloy ring boxes are heavy weight. At almost 1 pound each they are extremely impressive and unique.
Smaller Zinc-allow ring box
For Jewelry Purchases from $500-$5000 in value we include our petit zinc alloy box.
Long, dark brown hinged jewelry box showcasing a line bracelet gently secured and beautifully displayed
For line bracelets over $500, we include a high quality, hinged jewelry box. Pictured is one of the beautiful styles that we may use.
Dark brown jewelry box showcasing two hanging earings upon opening
For hanging earrings over $500, we include a high quality, hinged jewelry box. Pictured is one of the beautiful styles that we may use.
Petit box w/ luxurious white pouch showcasing a piece of jewelry
Jewelry items under $500 will ship in a signature pouch and box.
Zinc-alloy sapphire box - closed with view of stone through window
Our hand-made zinc sapphire boxes are the finest in the industry and are included for all sapphires over $2000.
Zinc-alloy sapphire box - open
A well presented sapphire makes a difference.
Wooden display box
For sapphire purchases between $500 and $2000 we ship a high quality black display box which shows the sapphire professionally. Stones under $500 will ship in a secure plastic pouch.
Document folder nicely wrapped
Each document folder is individually gift wrapped.
Assortment of reports and certification documents on table
Our extensive gemological reports cover every possible detail of your item. Professionally made with care to explain what gemological terms mean, our reports offer an education in fine sapphires and jewelry reporting.
Open folder displaying documents
Inside you will find well organized reporting to include appraisal, identification and gem faceting grade reports. Special care literature on how to clean your sapphire or jewelry is included as well.
Jewelry cleaning solution enlarged
Jewelry cleaner included with items over $2,000. * Unfortunately for international shipments we can not include liquids.
Sample identification report dust cover
Sample identification report dust cover [front].
Sample identification report
Sample identification report
Sample identification report reference page
Sample identification report dust cover [inside back].
Sample 3d scan report dust cover
Sample 3D scan report dust cover [front].
Sample 3D scan report.
Sample 3D scan report.
Sample 3D scan report reference page
Sample 3D scan report dust cover [inside back].
Zinc-alloy ring box - opened
Zinc-alloy ring box - closed
Smaller Zinc-allow ring box
Long, dark brown hinged jewelry box showcasing a line bracelet gently secured and beautifully displayed
Dark brown jewelry box showcasing two hanging earings upon opening
Petit box w/ luxurious white pouch showcasing a piece of jewelry
Zinc-alloy sapphire box - closed with view of stone through window
Zinc-alloy sapphire box - open
Wooden display box
Document folder nicely wrapped
Assortment of reports and certification documents on table
Open folder displaying documents
Jewelry cleaning solution enlarged
Sample identification report dust cover
Sample identification report
Sample identification report reference page
Sample 3d scan report dust cover
Sample 3D scan report.
Sample 3D scan report reference page
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education
Learn About Star Sapphires
Star sapphires captivate with their rare optical phenomenon known as asterism, where a luminous star-shaped pattern appears on the stone’s surface. This celestial effect adds a magical quality to the gem, making it a truly mesmerizing choice for collectors and jewelry enthusiasts.
Image

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