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17.80 Ct. Bi Color Cabochon Sapphire from Ceylon (Sri Lanka)

This loose stone is available to ship now

 
Item ID: S6408
Free shipping
$1,958

Quality, Value & Heart
100% Natural Sapphires
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14 Day No Hassle Return Policy
Supports Local Charities
Product Details
Item ID:
S6408
Dimensions (MM):
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Length: 16.3
Width: 15.89
Height: 6.77
Weight:
17.80 Ct.
Color:
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Bi Color
Color intensity:
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Medium
Clarity:
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Very Slightly Included
Shape:
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Round
Cut:
Double 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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$110
Product description

Imagine holding a story in your palm, a jewel that seems to breathe with a life all its own, a jewel that will forever mark a moment in time with joy, love, and wonder. This is that jewel, a translucent 17.80 carat round bi color sapphire, a stone that captures attention not just by its impressive size, but by the rare and delicate marriage of colors dancing within. Measuring 16.30 x 15.89 x 6.77 mm, the gem presents a generous presence that feels both bold and intimate when set into a ring, pendant, or heirloom piece. The double cabochon cut enhances the stone like a lens, softening light into a silky glow that invites touch and admiration. With a clarity grade of very slightly included as evaluated at eye level, the surface speaks of natural origin and authenticity, with minimal inclusions that allow the color story to sing with purity. The medium color intensity is a perfect balance, offering depth without heaviness, allowing the bi color transition to be appreciated in every movement. This sapphire is unenhanced, a pure gift from nature, with an excellent polish that completes its luminous presence. When you choose this gem from The Natural Sapphire Company, you choose a moment of pure, unfiltered beauty destined to become a treasured memory.

Rarity is not merely a matter of numbers, it is a feeling that comes when you realize how seldom an object like this appears in the world. Sapphires of this weight and translucency are uncommon, and bi color examples in this size are extraordinarily rare. Most sapphires of notable size are single toned, and many that show color variation are smaller or heavily included, or they have been treated to improve color or clarity. This gem is different, it arrives as nature intended, from Ceylon, with a rare combination of scale and color complexity that collectors and connoisseurs seek for generations. The double cabochon cut itself is a rare choice for such a large stone, chosen to amplify the unique bi color character rather than mask it. Imagine comparing similar options, where you find either smaller weight, weaker color division, or clarity compromises. This sapphire stands apart, not only because it commands attention with 17.80 carat presence, but because it does so while remaining natural, unenhanced, and beautifully finished with an excellent polish. For someone seeking an authentic and exceptional sapphire, the rarity here is profound, a true find amidst the ordinary.

Think of the emotions your gift will kindle, the gasp when someone first sees this stone set into a cherished piece, the tears of joy, the laughter, the stories that will follow. This sapphire is ideal for an engagement moment that wants to speak of a unique life together, for an anniversary that marks an extraordinary chapter, or for the collector who understands that certain gems transcend trends. The gentle, silky shimmer of the double cabochon invites a touch, invites a moment of closeness, and the bi color nature becomes a mirror of relationship itself, where two tones coexist and complement one another. Wearing this gem will be a ritual of delight, where light and movement reveal new subtleties with every glance. Its dimensions of 16.30 x 15.89 x 6.77 mm give it a wearable grandeur, substantial enough to be noticed from across a room, yet elegant enough to feel natural against the skin. Because it is unenhanced and of Ceylon origin, it carries with it a story of provenance, of ancient soils and responsible sourcing, adding depth to every conversation about the piece.

At The Natural Sapphire Company we understand that buying a gem is an emotional act as much as it is a financial one. You are not only investing in rarity and beauty, you are investing in the power of a memory, a family heirloom, a future tradition. This translucent 17.80 carat round bi color sapphire, with its medium color intensity, very slightly included clarity at eye level, double cabochon cut, excellent polish, and natural origin in Ceylon, is a rare opportunity to own something truly singular. Our gemologists have evaluated its qualities with care, and our commitment to natural, untreated stones means that this piece will age with character and dignity. Imagine the joy of presenting such a stone, the pride of owning a gem that few will ever encounter, the quiet confidence of knowing you have chosen a sapphire whose rarity is matched by its emotional resonance. If you are seeking a jewel that will tell your story with honesty and beauty, this sapphire is waiting, ready to become the center of your most cherished moments.

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 Curiosities Bi-Color Sapphires
Bi-color sapphires feature two contrasting shades within a single stone, creating an eye-catching visual effect. These rare gemstones are celebrated for their natural uniqueness, making them ideal for those who appreciate the unexpected and extraordinary in their jewelry.
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