JOALYS PARIS

Language & Currency

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🇫🇷France
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AMERICA

🇺🇸United States
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ASIA-PACIFIC

🇨🇳China
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🇦🇪United Arab Emirates
🇶🇦Qatar
🇸🇦Saudi Arabia
🇴🇲Oman
🇧🇭Bahrain

OTHER LOCATIONS

🌍Other

Blue Sapphire

$673
$440/ct
Sapphire • 1.53 Carats • Blue
Loupe Clean • Trillion Mixed Cut

Personalized Services

How May We Assist?

Secure Shipping

Free shipping, secure, sealed and fully insured with full tracking

Easy Returns

14-day return policy

Polishing Service

Free professional polishing available

Custom Recut

Free custom recutting service available

Contact us for more information

DIGITAL PROVENANCE CERTIFICATE

Each acquisition includes an immutable NFT certificate securing your investment's provenance and enhancing its collectible value

The same technology trusted by Christie's, Sotheby's, and major auction houses worldwide

Photos are taken in interior (sunlit) conditions to capture the gemstone's true brilliance without filters. We believe in full transparency.

More files on request.

Variety
Sapphire
Carats
1.53
Shape / Cut
Trillion Mixed Cut
Color / Trade Color
Blue
Clarity
Loupe Clean
Measurements (mm)
8.21 x 6.63 x 3.57
Treatment
No Heat

Blue Sapphire

$673
$440/ct
Sapphire • 1.53 Carats • Blue
Loupe Clean • Trillion Mixed Cut

Personalized Services

How May We Assist?

Secure Shipping

Free shipping, secure, sealed and fully insured with full tracking

Easy Returns

14-day return policy

Polishing Service

Free professional polishing available

Custom Recut

Free custom recutting service available

Contact us for more information

DIGITAL PROVENANCE CERTIFICATE

Each acquisition includes an immutable NFT certificate securing your investment's provenance and enhancing its collectible value

The same technology trusted by Christie's, Sotheby's, and major auction houses worldwide

Discover Blue Sapphire

Explore the unique characteristics of this precious gemstone

Blue sapphire is the most prized variety of corundum, famous for its shades of blue ranging from light blue to intense royal blue. It is one of the four precious stones along with diamond, ruby and emerald.

Mineral
Corundum
Composition
Al₂O₃ (Aluminium Oxide) + Fe + Ti
Color
Light blue to intense royal blue
Refractive Index
1.762 - 1.770
Birefringence
0.008 - 0.010
Density
4.00 g/cm³
Mohs Hardness
9
Blue Sapphire Characteristics

SOURCING & SELECTION

Our Sourcing Channels

We source our stones through three complementary channels.
Every stone is integrated into our inventory (firm stock or on consignment), inspected, certified
and photographed in-studio. Never listed by third parties.

LEVEL 1

At the Source (Mines)

Direct access to origin

Direct access to origin. Unique lots, clear provenance. We work directly with mines in Sri Lanka, Myanmar, Madagascar, and Colombia.

At the Source (Mines)
LEVEL 2

Selected Local Brokers (Field)

Broad geographic coverage

Broad geographic coverage and responsiveness. Selection to JOALYS Paris standards, internal integration before sale.

Selected Local Brokers (Field)
LEVEL 3

Recognized Cutting Centers

Already cut and calibrated

Already cut and calibrated stones. Short delivery times, facilitated gemological control. Every stone verified by our GIA-certified gemologist.

Recognized Cutting Centers
RESULT

More Competitive Prices

Best gemstones at the best price

These three sourcing levels allow us to offer you the best gemstones at the best price, while guaranteeing their origin and exceptional quality. We are committed to maintaining these standards to continue satisfying our most demanding clients.

"
I founded JOALYS to offer everyone the same experience I have when buying gemstones in Sri Lanka: direct from the source, with no middlemen, no photo retouching, and at fair prices.

Every stone you see here has been selected with the same standards I would apply to my own personal collection.
Makria Ilyes
Gemmologist & Founder
Sri Lanka · Paris
Service before sale. Transparency before profit.
Gemstone mine in Sri Lanka
Ratnapura, Sri LankaCity of Gems
Blue Sapphire

Blue Sapphire

$673