GJEPC Hails New GIA Lab-Grown Diamond Grading

Surat, Gujarat — In a pivotal move set to redefine the global diamond landscape, the Gemological Institute of America (GIA), the undisputed authority in gemology, has announced it will no longer apply its globally recognized 4Cs grading system—Cut, Color, Clarity, and Carat Weight—to laboratory-grown diamonds. 

This landmark decision, hailed by the Indian diamond industry, will have a definitive separation between natural and man-made diamonds, promising enhanced transparency for consumers and a clearer marketplace for all.

The Gems and Jewellery Export Promotion Council (GJEPC), India’s apex body for the gems and jewellery industry, immediately applauded the GIA’s decision. “GIA’s decision to use descriptive terms instead of the famous 4Cs grading for laboratory-grown diamonds marks an important evolution in diamond classification,” stated Kirit Bhansali, Chairman, GJEPC. “This change will help eliminate confusion by clearly distinguishing how lab-grown diamonds are assessed, separate from the standards developed for natural diamonds.”

Beginning later this year, lab-grown diamonds submitted to GIA will receive simplified descriptors, broadly categorized as either “premium” or “standard,” or no grade at all if their quality is subpar. This shift is far more than a mere nomenclature tweak; it represents a foundational acknowledgment within the industry that lab-grown diamonds, while chemically identical, are fundamentally distinct from their natural counterparts.

For consumers, this change is expected to bring unprecedented clarity. “For consumers, it brings greater transparency and ensures that purchasing decisions are based on a clear understanding of a diamond’s origin and characteristics,” Bhansali emphasized. This clarity is crucial in a market that has often seen confusion regarding the value and characteristics of lab-grown versus natural diamonds.

The Indian diamond industry, a global leader in both natural and lab-grown diamond processing, sees this move as a critical step towards market equilibrium. “For India, as a leading hub for both natural and lab-grown diamonds, this change brings much-needed clarity and balance to the marketplace — allowing both categories to grow with greater transparency, integrity, and consumer confidence,” Bhansali added.

This bold step by the GIA solidifies the growing divide between the two diamond categories, ensuring that the unique attributes and intrinsic value of natural diamonds remain distinct.