Setting a new standard in diamond grading!

Explore Certified Hybrid Master Sets Today!

Redefining Modern Diamond Grading

Revolutionizing Diamond Color Grading: Introducing Certified Hybrid Diamond Master Sets

An Industry-First Collaboration Between:

The Next Step in Diamond Grading

The future of Diamond Grading is here

For decades, gemologists, diamond graders, and retailers have faced rising costs and a limited supply of natural diamond master stones. Conventional alternatives—such as simulant sets or unregulated tools—often fall short of delivering the precision professionals require.

AGA, Stuller, and GCAL by Sarine have partnered to introduce Certified Hybrid Diamond Master Sets—a groundbreaking solution that blends natural and lab-grown diamonds to deliver precision at an unprecedented value.

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Why Certified Hybrid Diamond Master Sets Will Lead the Way

Setting New Standards in Diamond Grading

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Cost-Effective excellence

By blending natural and lab-grown diamonds, these sets reduce the high costs of sourcing natural stones—delivering precision at a fraction of the price.

Precision you can trust

Each set is rigorously graded by GCAL by Sarine, blending human expertise with AI technology to ensure consistent, reliable, and precise color grading.

Designed for Industry Experts

Tailored for gemologists, appraisers, and diamond graders, these sets provide a seamless combination of innovation, practicality, and confidence in every grading session.

precision in every step

From start to Finish

Every Certified Hybrid Diamond Master Set undergoes a meticulous journey to deliver exceptional grading accuracy.

  1. Meticulous Sourcing

    Stuller carefully selects only the finest diamonds for hybrid sets

  2. Cutting Edge Certification

    GCAL blends human expertise with AI technology for unmatched grading precision

  3. trusted Worldwide

    Designed in collaboration with AGA-CGL to meet the needs of professionals worldwide

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Bringing the future of color grading to you

Certified Hybrid Diamond Master Sets will soon redefine diamond grading. Backed by the expertise of AGA, Stuller, and GCAL by Sarine, this innovative tool is set to establish new standards for precision and affordability.

Be among the first to explore a groundbreaking innovation in diamond grading.

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