Rubies
Emeralds
Sapphires
Gemstones
+1-212-869-1165
contact us
1
Choose your sapphire
Sapphire
2
Choose your setting
Setting
3
Review Your design
Review
check_circleThis item is available 

4.51 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This loose stone is available to ship now

 
Item ID: S29959
Free shipping
$21,283
Quality, Value & Heart
100% Natural Sapphires
Free Shipping - Worldwide
14 Day No Hassle Return Policy
Supports Local Charities
Product Details
Item ID:
S29959
Dimensions (MM):
help
Length: 9.05
Width: 8.02
Height: 6.32
Weight:
4.51 Ct.
Color:
help
Blue
Color intensity:
help
Vivid
Clarity:
help
Very Very Slightly Included
Shape:
help
Cushion
Cut:
Mixed Brilliant
Cutting style:
Faceted
Enhancements:
help
Heat Treated
Origin:
help
Ceylon (Sri Lanka)
Per carat price:
help
$4,719
Product description

A singular expression of refined taste and enduring worth, this exceptional cushion shape blue sapphire embodies the quiet authority of true luxury. We present a transparent 4.51 carat gem, measuring 9.05 by 8.02 by 6.32 millimeters, cut to a mixed brilliant ideal that harmonizes modern sparkle with classical proportions. Its vivid color intensity is unmistakable, a deep yet luminous blue that catches the light and holds it with an almost magnetic calm, and its excellent polish allows each facet to sing with clarity and life. The clarity grade has been evaluated at eye level as very very slightly included, a distinction that preserves both the gemological integrity and the visual purity collectors prize. Origin Ceylon Sri Lanka lends provenance that is admired across the market, and a professional heat treated enhancement has been applied, a standard and accepted process that stabilizes tone and enhances the innate beauty of the stone while maintaining its natural character. At The Natural Sapphire Company we understand that the rare marriage of size, color, cut, and origin produces an object that is both a jewel and a statement.

When one considers gemstones as an allocation within a diversified portfolio, sapphires of this caliber occupy a special position, blending tangible beauty with demonstrable historical resilience. Blue sapphires, and Ceylon blue sapphires in particular, have long been sought after by connoisseurs and investors because their market value is driven by a limited natural supply, time honored desirability, and enduring aesthetic appeal. A 4.51 carat sapphire with vivid saturation and very very slight inclusions evaluated at eye level is truly rare in the Ceylon category, and rarity is the primary engine of appreciation over time. Heat treatment, when transparently disclosed and expertly performed, is widely accepted in auction houses and private sales, ensuring liquidity for the discerning buyer. The mixed brilliant cut is designed to maximize optical performance, translating color and light into an experience that appeals to private collectors, fine jewelers, and estate buyers alike. As global demand for responsibly sourced, exceptional gemstones rises, pieces with both visual distinction and verified provenance tend to outperform more common material.

Looking ahead, the structural drivers that encourage appreciation in fine sapphires remain compelling, and this particular stone is positioned to participate in that movement. Color intensity is the single most important determinant of price per carat for sapphires, and vivid Ceylon blue is a hue that has consistently commanded premiums at auction and in private sales. The size of this gem at 4.51 carats places it above the thresholds where prices accelerate, and the cushion shape combined with an exacting mixed brilliant faceting pattern increases desirability for bespoke settings that attract higher final values. Provenance from Ceylon Sri Lanka carries cachet for collectors who prize historical and geographical signatures in their acquisitions. In addition, market dynamics such as constrained supply from established deposits, rising demand among emerging luxury buyers, and an increasing preference for investment grade colored gemstones among private collectors all contribute to a favorable outlook. While no asset can be guaranteed to appreciate, the combination of exceptional color, meaningful size, superior polish, and documented origin creates a profile that historically has shown strong capital preservation and the potential for significant future appreciation.

Owning this sapphire is both an aesthetic triumph and a strategic decision, a singular possession that reflects cultivated taste and long term vision. At The Natural Sapphire Company we accompany each acquisition with rigorous documentation, expert guidance on settings that preserve weight and brilliance, and bespoke services to ensure the gem achieves its highest market potential over time. Whether set as the centerpiece of an heirloom ring, a dramatic pendant, or held as a collector grade loose stone, this cushion shape blue sapphire presents an opportunity to secure a rare and beautiful asset that celebrates achievement and signals distinction. For the buyer who seeks a synthesis of artistry, provenance, and investment acuity, this gem is an invitation to join a tradition of connoisseurship that values pieces selected with both heart and foresight. Owning this sapphire is a declaration, a refined statement that beauty is enduring, and that true rarity is both a source of pleasure today and an assurance for tomorrow.

Watch our process
Play button
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
Video player button
education
Learn About Blue Sapphires
Blue sapphires, with their captivating deep blue hue, are a symbol of elegance, wisdom, and timeless beauty. Known for their unmatched brilliance and strength, they add a touch of royal sophistication to any jewelry collection. Discover the allure of blue sapphires today!
Image

Other Sapphires You May Like

Our Customers Love Us

See what people are saying on Google and Verified Reviews