DiamondBuzz
GIA Introduces New Grading Terminology for Lab-Grown Diamonds to Differentiate from Naturals
The Gemological Institute of America (GIA) is revamping how it grades and describes lab-grown diamonds, further separating them from their natural counterparts in its reports.
Announced Monday, the updated system will introduce new descriptive categories — premium and standard — based on a combination of color, clarity, and finish. This marks a shift away from using the same color and clarity scale the GIA developed for natural diamonds.
“The GIA will no longer apply the traditional grading nomenclature used for natural diamonds when describing lab-grown stones,” the institute said. “Instead, it will use quality-based descriptions that more accurately reflect the characteristics and manufacturing consistency of synthetic diamonds.”
Lab-grown diamonds that do not meet the minimum threshold for either the premium or standard designation will not receive a quality label. This change is intended to help consumers better understand the key distinctions between natural and lab-grown stones, the GIA emphasized.

“More than 95% of lab-grown diamonds fall within a narrow band of color and clarity, making the traditional grading system less relevant for them,” said Tom Moses, executive vice president and chief laboratory and research officer at GIA. “This update aligns lab-grown diamond grading with how we already handle other man-made gem materials.”
The GIA will continue its current grading system for lab-grown diamonds until the new approach is finalized. Updated pricing and submission procedures will be released by the end of the third quarter. Existing reports already issued for lab-grown diamonds will remain valid.
DiamondBuzz
Natural Diamond Council and Dubai Jewellery Group Host a Successful ‘The Diamond Dialogue’ in Dubai
Industry leaders come together to discuss opportunities, challenges, and consumer trust in the diamond sector
Natural Diamond Council (NDC), a global not-for-profit organization collaborating the natural diamond industry and its entire value chain, hosted first-ever edition The Diamond Dialogue in partnership with Dubai Jewellery Group (DJG). The Diamond Dialogue was a thought-provoking industry roundtable that brought together leading voices from the UAE’s jewellery sector to discuss the evolving landscape of the natural diamond industry.
The session, held in Dubai, brought together key stakeholders, including retailers, industry leaders, and trade experts, for a candid exchange on the current challenges and opportunities shaping the diamond sector. Discussions centered on how the industry can better connect with today’s well-informed yet easily distracted consumer, ensuring that the emotional and enduring value of natural diamonds continues to shine through every interaction.
With the advent of lab-grown diamonds, experts reiterated that knowledge remains the cornerstone of trust and the strength of the diamond community. The dialogue emphasized the importance of clear and transparent communication, helping consumers understand that natural and lab-grown diamonds represent two distinct and parallel markets. Participants collectively agreed that honesty, transparency, and clarity must guide every engagement with consumers.
The session was moderated by Richa Singh, Managing Director – India & Middle East, Natural Diamond Council (NDC), and featured perspectives from Tawhid Abdullah, CEO, Jawhara Jewellery & Chairman, Dubai Jewellery Group; K.P. Abdul Salam, Vice Chairman, Malabar Group; Anuraag Sinha, Managing Director, Liali Jewellery; Chandu Siroya, Owner, Siroya Jewellers; and Amit Dhamani, CEO and Managing Director, Dhamani Group.
Our special guest, Mr. Ahmad Ali Moosa, Director of the Consumer Protection Department at the Dubai Corporation for Consumer Protection and Fair Trade (DCCPFT), offered a unique perspective on the importance of building a transparent ecosystem that prioritizes consumer trust and protection.

Commenting on the session, Richa Singh, Managing Director, Natural Diamond Council, “We’ve always envisioned The Diamond Dialogue as an open and honest conversation that leads to real action. Dubai has been the first market to embrace this initiative and to collaborate with us in moving the conversation forward. It’s inspiring to see industry leaders, retailers, and government stakeholders come together with a shared purpose, to strengthen trust, educate consumers, and shape a stronger, more transparent future for natural diamonds.”
Commenting on the session, Tawhid Abdullah, Chairman, Dubai Jewellery Group, “Dubai continues to be a beacon for the global jewellery trade, a place where innovation, integrity, and tradition converge. We are the most established jewellery market in the region and are thrilled to have NDC lead this important conversation. The Diamond Dialogue is an important step toward strengthening our collective voice and ensuring we uphold the highest standards of transparency and consumer confidence in natural diamonds.”

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