Understand Your Diamond's Full Story: IGI-Certified Quality & Transparency

 

At Luminary Gem, we believe true beauty lies in what you can see — and what you can trust. That's why every diamond we offer comes with an IGI certificate, so you don't have to wonder about its origin, quality, or worth.

What Is an IGI Certificate — And Why It Matters to You

The International Gemological Institute (IGI) is a globally recognized authority in gemstone certification. When you receive an IGI-certified diamond from us, it means your stone has been independently examined and graded by master gemologists.

Your IGI report includes:

  • Precise 4Cs Grading: Carat weight, color, clarity, and cut — clearly explained.
  • Clear Origin Identification: Confirmation that your diamond is lab-grown, ethically created.
  • Full Measurement & Finish Details: So you know exactly how your diamond is crafted for light and brilliance.

This isn’t just a piece of paper — it's your diamond's identity card.

How We Ensure Quality — Beyond the Certificate

A certificate verifies the diamond; we verify the experience.
From the moment we select a lab-grown diamond to the final polish on your setting, every Luminary Gem piece goes through a multi-step quality process:

  • Pre-Cutting Analysis: We choose only well-formed diamond crystals to maximize light performance.
  • Symmetry & Polish Inspection: Even the smallest facets are checked for precision.
  • Final Gemological Review: Before shipping, our in-house gemologist reconfirms that the stone matches its IGI report.

Whether it's a delicate pendant or a custom engagement ring, we treat every piece as if it were our own.

Why Choose an IGI-Certified Lab-Grown Diamond?

  • Confidence in Quality: No guessing — just clear, objective grading from a trusted lab.
  • Ethical Assurance: Know that your diamond is conflict-free and sustainably created.
  • Transparent Value: IGI certification helps protect your investment with accurate, unbiased information.

Your Guarantee, Simplified

We stand behind every stone and every setting. When your Luminary Gem jewelry arrives, it should look and feel perfect — and come with all the proof you need to wear it with pride.
Because the most beautiful sparkle is one you can believe in.

FAQ

Are lab-grown diamonds real diamonds?

Yes, lab-created diamonds have the same physical, chemical, and optical properties as mined diamonds. They're graded using the same 4Cs system.

What is the best value lab-grown diamond?

An Excellent cut, G color, VS2 clarity diamond typically offers the best balance of quality and affordability for most buyers.

Do lab-grown diamonds hold value?

While all diamonds depreciate initially, high-quality lab-grown diamonds from reputable sellers maintain better value over time, especially as demand grows.