Tianyu Gems-focusing on jewelry production for over 25 years, the custom jewelry manufacturers/experts around you

Custom Lab Grown Diamonds

Custom cut lab grown diamonds are more than just stunning lab diamonds. They combine ethical grown lab diamonds with fully creative freedom without compromising on beauty, quality and value. Key benefits of custom cut lab diamond service:
Turn Imaginations into Tangible Bespoke Diamonds;
100% Controllable Customization over Cut and Polishing;
Equal Sparkle to Standard-Cut Diamonds for Custom Lab-Grown Diamonds; 
Skillful Lab Diamond Cutters over 10 Years of Experience; 
Tailored to Customer’s Preferences like Carat Size, Color, Setting Depth and band Style; 
Flexible Minimum Order Quantities (MOQ);
Significantly Reduced Costs of Lab Grown Diamonds Custom.
​​​​​​​CUSTOM NOW

Process for Custom Lab Grown Diamond

With over 10 years of experience in gemstone processing, we pride ourselves on delivering exceptional craftsmanship tailored to your needs.
  • 1. Consultation
    Specify requirements involving faceting, carving, drilling and special cuts for custom lab grown diamonds.
  • 2. Rough Diamond Selection
    Choose custom-compliant lab grown diamond rough.
  • 3. Design Preview
    See sketches or 3D renders of your finished piece.
  • 4. Crafting
    Expert cutters cut and polish selected diamond rough as requirements. Send video and photos of finished pieces to customers for confirmation.
  • 5. Certification
    Finished pieces arrive graded, verified, and ready to setting.

What Rough Stones We Provide?

We dedicate in professional craftsmanship of lab grown diamonds and gemstones, providing various rough gemstones for customers like colorless lab grown diamond rough, colored lab diamond rough and colored lab grown gemstone rough like ruby, sapphire and emerald.
white lab diamond rough
Colorless Lab Diamond Rough
colored lab diamond rough
Colored Lab Diamond Rough
colored lab gemstone rough
Colored Lab Gemstone Rough

Custom Cut & Polishing

Crafted under the strictest international standards, our diamonds have gained wide recognition across global markets and are exported to over 30 countries. Each stone is hand‑cut and polished by artisans with 10+ years of experience, going through a dozen meticulous steps to deliver exceptional clarity, brilliance, and lasting sparkle.
  • Customers who prefer non-standard loose lab diamonds and jewelry designs;
  • Anyone focused-on memorable statement pieces and story behind them;
  • Clientele tired of generic jewelry and pursue supreme innovation;
  • Gift-givers aiming at create cherished anniversary unforgettable pieces;
  • Style lovers who want the luxury of bespoke diamonds without the mined premium.

What We Promise

Our Promise

  • IGI-Certified customized lab grown diamonds;
  • Full transparency in sourcing and creation;
  • Experienced cutters hand-finish with meticulous craftsmanship
  • Flexible customization to meet your unique design requirements;
  • Strict protection of your custom design intellectual property.
unique shapes and antique cuts

Leave A Message

The first thing Tianyu Gems lab grown diamond manufacturers do is meeting with our clients and talk through their goals on a future project. During this meeting, feel free to communicate your ideas and ask lots of questions.

Get Instant Quote

By submitting this form you are agreeing with our privacy policy.