DiamondBuzz
The Rarity Report: Fancy color diamond rarity analysis now available in print
Move aimed at protecting the value and reputation of its natural diamond industry
The world of fancy color diamonds is about to gain a new tool for understanding value and significance. The Fancy Color Research Foundation (FCRF) has announced that its highly regarded Rarity Report—an analytical resource measuring how rare a particular diamond is in the global market—is being released in a printed edition for the first time.
Until now, the Rarity Report existed only in digital form and was accessible exclusively to FCRF members. With the new launch, jewelers, dealers, collectors, and buyers will be able to purchase and consult the printed edition as a complement to traditional grading reports.
Unlike a standard grading report, which evaluates the gemological characteristics of an individual stone, the Rarity Report leverages production data, frequency patterns, rarity charts, and in-depth analysis to illustrate how uncommon a specific combination of attributes—such as color, clarity, and carat weight—truly is in the global marketplace. Importantly, it is not based on a direct examination of the stone but on robust statistical modeling and a wealth of global diamond data.
For years, the Rarity Report has been a must-have in its digital format, earning a loyal following among FCRF members for its rigorous methodology, market insights, and GIA-supported evaluations. the tactile printed edition adds a new dimension to the experience—turning data into something you can hold, reference, and display.
(FCRF) has announced that its highly regarded Rarity Report—an analytical resource measuring how rare a particular diamond is in the global market—is being released in a printed edition for the first time.
Until now, the Rarity Report existed only in digital form and was accessible exclusively to FCRF members. With the new launch, jewelers, dealers, collectors, and buyers will be able to purchase and consult the printed edition as a complement to traditional grading reports.
Unlike a standard grading report, which evaluates the gemological characteristics of an individual stone, the Rarity Report leverages production data, frequency patterns, rarity charts, and in-depth analysis to illustrate how uncommon a specific combination of attributes—such as color, clarity, and carat weight—truly is in the global marketplace. Importantly, it is not based on a direct examination of the stone but on robust statistical modeling and a wealth of global diamond data.
DiamondBuzz
CIBJO Backs ‘synthetic’ As Sole Label For Man-Made Diamonds
CIBJO’s Laboratory-Grown Diamond Committee, Told Delegates That “Synthetic” Remains The Primary Term Recognized By Consumers, Despite A Formal Push From The Sector’s Steering Committee To Defer The Ruling and Authorize “Laboratory-Grown.”
The World Jewellery Confederation (CIBJO) has recommended “synthetic” as the only acceptable descriptor for non-mined diamonds, rejecting calls from trade leaders to permit the term “laboratory-grown,” the organization said on Monday.
The decision, finalized at the closing session of the 2026 CIBJO Congress, deepens a global divide over gemstone terminology at a time when manufactured stones are rapidly eroding the market share and pricing power of mined gems.
CIBJO’s Laboratory-Grown Diamond Committee, told delegates that “synthetic” remains the primary term recognized by consumers, despite a formal push from the sector’s steering committee to defer the ruling and authorize “laboratory-grown.”
CIBJO’s move aligns with a growing regulatory push in several major markets. France restricted terminology to “synthetic” in 2024, Russia followed suit in June, and the London Diamond Bourse endorsed the single descriptor on Sunday. In May, the African Diamond Producers Association also tightened descriptor rules to shield the natural diamond trade.
In contrast, regulators and retailers in the United States and India have favored consumer-friendly phrases such as “lab-grown” or “laboratory-grown.” The commercial stakes are particularly high in the U.S., where synthetic stones now account for more than half of all engagement ring sales by volume, applying severe downward price pressure on natural rough and polished stones.
CIBJO, which began moving to strike “lab-grown” from its influential Diamond Blue Book standards last year, warned that the diverging legal frameworks are leaving the global market increasingly fragmented.
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JewelBuzz is Asia’s First Digital Jewellery Media & India’s No.1 B2B Jewellery Magazine, published by AM Media House. Since 2016, we’ve been the trusted source for jewellery news, market trends, trade insights, exhibitions, podcasts, and brand stories, connecting jewellers, retailers, and industry professionals worldwide.