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Share! - - ![](https://blog.sarine.com/hubfs/blog%20GCAL.jpg) # 25 years of Setting the Standard Twenty-five years ago, a laboratory opened in New York with a straightforward, yet novel premise: that graders should tell the truth, stand behind it, and put their name on it. That laboratory was GCAL - and that premise hasn't changed. What has changed is everything around it. The science, the scale, the reach, the tools. But the foundation has remained the same: accountability, precision, and a genuine commitment to getting it right. This anniversary is worth marking - not just as a significant number, but as a record of what that commitment has produced. ### A Timeline of Firsts We think GCAL didn't grow by following the industry.  It grew by challenging it. **2001** - Founded in New York by Donald and Pamela Palmieri on three core commitments: independent grading, consumer protection, and the diamond industry's first guaranteed grading certificate. ![2001](https://blog.sarine.com/hs-fs/hubfs/2001.jpg?width=2400&height=1350&name=2001.jpg) **2003-4** - Acquisition of Diamond Profile Laboratory, bringing direct measurement of light performance - optical brilliance and optical symmetry -into the grading process. 2006  -Launch of the industry’s first zero tolerance, money backed grading guarantee and integration of Gemprint for forensic diamond identification. 2008 - Becomes the first North American diamond and gemstone laboratory to achieve ISO/IEC 17025 accreditation. ![2008](https://blog.sarine.com/hs-fs/hubfs/2008.jpg?width=2400&height=1350&name=2008.jpg) 2011 - Acquisition of Gemprint Corporation. ![2011](https://blog.sarine.com/hs-fs/hubfs/2011.jpg?width=2400&height=1350&name=2011.jpg) 2012 - Forensic designation added to ISO accreditation and GCAL becomes a certified member of the Responsible Jewellery Council. 2014  - Expansion of direct optical analysis to include scintillation. 2020 - Introduction of direct assessment of fire, completing the three pillars of optical performance analysis. 2021 - Launch of 8X® for round brilliant diamonds and recognition as the first gemological laboratory accredited by SCS Global Services for sustainability and traceability. ![2021](https://blog.sarine.com/hs-fs/hubfs/2021.jpg?width=2400&height=1350&name=2021.jpg) 2023  - Partnership with Sarine Technologies. 2024  -  GCAL by Sarine launches lab in Surat, India. 8X expanded to new cuts. ![2024](https://blog.sarine.com/hs-fs/hubfs/2024.jpg?width=2400&height=1350&name=2024.jpg) 2025 - 8X expanded to radiant cuts. Launch of the Guaranteed 4Cs Certificate with Diamond Journey™.  Collaboration with De Beers Tracr™ to strengthen traceability. 2026 - 8X expanded  to cushion cuts, The industry's most advanced cut grading system continues to gain momentum.    ### Three Years In. One Shared Vision. The Sarine partnership is still relatively new - three years and counting - but its impact is already visible. GCAL and Sarine came together around a shared belief:  that trust in a diamond should be built on more than tradition alone. It should be supported by science, transparency, and verifiable information. ![GCAL connect with Sarine](https://blog.sarine.com/hs-fs/hubfs/GCAL%20connect%20with%20Sarine.jpg?width=1920&height=1080&name=GCAL%20connect%20with%20Sarine.jpg) GCAL brought a long-standing reputation for independent grading, consumer protection, and optical performance analysis. Sarine brought decades of leadership in precision measurement, AI-driven grading technologies, and traceability solutions used throughout the global diamond supply chain. Together, those capabilities are helping extend trust beyond the grading certificate itself - connecting the story of a diamond from its origin, through manufacturing, to the moment it reaches the consumer. Across New York, Sarine headquarters, and Sarin India, our teams now operate as one, combining gemological expertise with advanced technology to help shape the next generation of diamond grading. Returning from JCK this month, one message stood out clearly: trust, transparency, and demonstrable quality remain as important as ever.      The response to GCAL 8X reinforced the value of continuing to raise the bar. ### To the Founders and the Team Donald, Pamela and Angelo Palmieri built something remarkable. Through changing markets, evolving technologies, and shifting industry expectations, GCAL established a reputation that has endured for twenty-five years. That legacy created the foundation on which today's GCAL by Sarine continues to build.  ![IMG_2741-768x576](https://blog.sarine.com/hs-fs/hubfs/IMG_2741-768x576.jpg?width=768&height=576&name=IMG_2741-768x576.jpg) ### Looking Ahead The goal remains consistent: continue advancing the science of grading, expand access to trusted gemological services around the world, and contribute meaningfully to the future of the industry. Increasingly, that future will depend not only on grading accuracy, but also on transparency, trust, and the ability to give consumers greater confidence in the diamonds they buy. By bringing together GCAL's grading heritage and Sarine's technology platforms, we believe we are uniquely positioned to contribute to that future. And to the GCAL team, past and present: the precision and integrity that define this laboratory didn't come from a mission statement. They came from the people who showed up every day and did the work. ### We've prepared a special anniversary film to mark this milestone.    Watch 👇    [25 Years of Trusted Diamond Grading](https://www.youtube.com/watch?v=1L2yPz6EHRQ&t=1s)   From everyone at Sarine Group - thank you to the founders, employees, partners, and customers who have been part of the journey so far. We're proud to help carry it forward.  ### Happy 25th Anniversary, GCAL by Sarine🎉🍾 --- ### MORE FROM THE DIAMOND BLOG ![Why Differentiation Will Define India’s Next Diamond Boom?](https://blog.sarine.com/hs-fs/hubfs/2026%20blog_september_header.jpg?width=310&name=2026%20blog_september_header.jpg) #### Why Differentiation Will Define India’s Next Diamond Boom? 18 August 2026 ## By Angelo Palmieri, President, GCAL by Sarine  [0 Comments](https://blog.sarine.com/why-differentiation-will-define-indias-next-diamond-boom-by-angelo-palmieri-president-gcal-by-sarine?hsLang=en) - - ![25 years of Setting the Standard](https://blog.sarine.com/hs-fs/hubfs/blog%20GCAL.jpg?width=310&name=blog%20GCAL.jpg) #### 25 years of Setting the Standard 17 June 2026 Twenty-five years ago, a laboratory opened in New York with a straightforward, yet novel premise: that graders should tell the truth, stand behind it, and put their name on it. [0 Comments](https://blog.sarine.com/gcal-25-years) - - ![The 2nd Generation of Automated Diamond Color Grading](https://blog.sarine.com/hs-fs/hubfs/2026%20blog%20colors.jpg?width=310&name=2026%20blog%20colors.jpg) #### The 2nd Generation of Automated Diamond Color Grading 30 March 2026 We are often asked: when did Sarine launch AI-based grading? With the AI boom of recent years, many are surprised to learn that AI-driven cut grading began as early as 1992 with the introduction of Sarine’s DiaMension® - the first software to.\[...\] [0 Comments](https://blog.sarine.com/the-2nd-generation-of-ai-based-sarine-color-grading?hsLang=en) - - ![Shape Is Style, Cut Is Everything.](https://blog.sarine.com/hs-fs/hubfs/2025%20blog%208x_0000_Layer%204%20(1)-1.jpg?width=310&name=2025%20blog%208x_0000_Layer%204%20(1)-1.jpg) #### Shape Is Style, Cut Is Everything. 27 February 2026 Round brilliant remained the sparklers of choice for US consumers, featuring 82% of natural diamond jewellery pieces ( [Natural Diamond Trends 2025 Overview](https://www.naturaldiamonds.com/diamond-reports-natural-diamond-trends-2025/#2)) . Round diamonds are a timeless classic; there is no disputing that. However, 2025 also saw.\[...\] [0 Comments](https://blog.sarine.com/shape-is-style.-cut-is-everything?hsLang=en) - - ![2026 Trends Review: The Year of Mastering the Attention Economy](https://blog.sarine.com/hs-fs/hubfs/2025%20blog%20Trends%202026%20review%2001-1.jpg?width=310&name=2025%20blog%20Trends%202026%20review%2001-1.jpg) #### 2026 Trends Review: The Year of Mastering the Attention Economy 07 January 2026 Our annual trends review explores how the diamond industry can win attention in an age of distraction and retail noise. [0 Comments](https://blog.sarine.com/2026-trends-review-the-year-of-mastering-the-attention-economy?hsLang=en) - - ![Why the Heart and the Tech Must Work Together in the Diamond Sales?](https://blog.sarine.com/hs-fs/hubfs/2025%20Sales%20people%20cover.jpg?width=310&name=2025%20Sales%20people%20cover.jpg) #### Why the Heart and the Tech Must Work Together in the Diamond Sales? 07 October 2025 ## Sales is an incredibly challenging profession. 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