Sarah Jenkins is a Graduate Gemologist (GIA) and diamond grader with 12 years of experience in the global gemstone trade. She specializes in the identification of gemstone treatments, synthetic detection, and ethical sourcing certification. Sarah advises clients on selecting high-quality stones while navigating the complexities of 'conflict-free' and Fairtrade origins.
Sarah Jenkins earned her Graduate Gemologist diploma from the Gemological Institute of America (GIA) in London and has since worked as a buyer for high-end jewellery brands and a consultant for independent laboratories. Her expertise lies in the microscopic world of inclusions, allowing her to distinguish between natural, heat-treated, and lab-grown stones—a critical skill in today's market. Sarah is particularly vocal about consumer protection, writing detailed guides on how to spot scams like glass-filled rubies or misleading terminology regarding synthetic diamonds. She is deeply involved in the ethical side of the industry, helping buyers understand the difference between recycled gold, Fairmined certification, and the realities of the Kimberley Process. Her articles bridge the gap between complex geological science and practical buying advice for engagement rings and investment gems.