Your Journey Begins

From Elite Technician to Global Diamond Master

Earn your diamond nail certification and join 800+ professionals worldwide who have mastered the world’s only genuine Diamond Nail Technique from Japan. Build an unrivaled reputation and command premium service pricing.

Diamond Nail Technique Course

The World’s Only Genuine Diamond Nail Technique Since 2003

THEORY CORE ACCESS

$299

What You’ll Get:

✓Full online course access
✓Provisional Digital
Certification
✓Exclusive Digital Resource
Library
✓Perfect for independent
learners
✓Lifetime Course Access





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*Credit card required/Apple Pay / Google Pay (Secure by Stripe)

DIAMOND BUSINESS LICENSE

$999

THE ELITE INVESTMENT:

✓Full, Lifetime Course Access
✓Official Certificate Issued
✓Exclusive Global Media
Feature Rights
✓Genuine Bridal-Grade
Diamond Kit
✓Professional Cleaning &
Handling Kit
✓Dedicated VIP Diamond
Sourcing
✓”Zero Tolerance” Quality Assurance.

*Global Shipping & Import Duties Included

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*Credit card required/Apple Pay /
Google Pay (Secure by Stripe)

PRECISION PRACTICE KIT

$399

Swarovski Exclusive:

✓Curated Practice Stones
✓Digital Certification
✓Global Sourcing & Practice
Guide
✓Color collection
✓Essential for hands-on skill
verification






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*Credit card required/Apple Pay /
Google Pay (Secure by Stripe)

Process Flow

Apply Online

Receive Kit (if ordered)*

Learn Videos

Practice

Final Assessment Quiz
(80% passing score)

Automatic Digital Certification

Official Certificate Issued

*Kit delivery for those who ordered

FAQ

No prerequisites required. The course is designed to teach the complete technique from foundation to advanced application.

No, you can source materials locally. Our technique works with any quality stones. However, we offer premium Japanese-selected diamonds for those who want guaranteed quality.

Yes, we ship worldwide via EMS with insurance. Shipping time varies by location. Note: Kits contain diamonds, stones and pearls only, no solvents.

Digital certificate is issued automatically upon passing the quiz. Physical headquarters-issued certificates may be available in the future.

Course Only ($99) includes complete online training and certification. Course + Zirconia Kit ($139) adds practice materials. Course + Diamond Kit ($650) includes genuine diamonds for professional use. All options provide lifetime course access.

Lifetime access with a one-time purchase. No monthly fees, no expiration date. Once you purchase, you’re a permanent member with access to additional diamond purchases.

You can retake the quiz as many times as needed. The passing score is 80%, and there’s no time limit or additional fee for retakes.

While feature placement is not guaranteed for all graduates, we actively seek exceptional work to showcase. Our technical directors review submissions StyleBook (published on Amazon) and our official Instagram.

We genuinely want to promote outstanding diamond nail artistry to the world, so we encourage you to submit your best work after certification. Selected artists gain valuable exposure to international luxury clientele and recognition within the professional community.
E-mail : info@1carat.net

Melee diamonds (small stones) typically don’t come with lab certificates due to cost. Instead, we provide our 1carat Certificate of Authenticity guaranteeing genuine diamonds selected to our standards.

1carat™ operates multiple websites globally. Both 1carat-online.com (Japanese) and 1carat-dna.com (English) are official 1carat™ International sites. Your purchase is secure and legitimate.