Meet Our Diamond Experts

At, we aim to help you find the perfect lab-grown diamond for the best possible price. Whether you’re looking for a lab-grown diamond engagement ring, earrings, pendants, or any other type of lab diamond jewelry, even loose lab-created diamonds, we’re here to help.

Through our diamond buying guides, diamond educational articles, and diamond jeweler reviews, our lab diamond experts are here to help.

Combined, our lab diamond experts have over 75 years of experience in the diamond, jewelry, and fashion industries. Meet our diamond experts below and reach out to us for help with buying your next lab-grown diamond.

Rolf Hartmann

Rolf Hartmann has decades of experience in the jewelry industry. He knows everything you need to know to find the perfect diamond. He’s an expert in lab-grown diamonds and has followed the exciting development of lab diamonds from industrial usage to the incredible gemstone quality that lab-grown diamonds are today. Rolf guides you to find the right diamond at the best possible price and expertly and transparently reviews all lab-grown diamond sellers.

Read all of Rolf Hartmann’s articles

Sharon Tate

Sharon S. Tate is a journalist and fashion editor. Her background is in the fashion industry, and she later started as a writer and contributing editor. Her primary focus is on jewelry trends and fashion. At LabGrownCarats, Sharon writes about the newest lab-grown diamond jewelry trends, guides, and inspiration. She is an expert in diamond jewelry and, like the rest of the team, has gained an immense interest in and knowledge about lab-created diamonds.

Read all of Sharon’s articles

Juli Church

Juli is a Certified Diamontologist with over 8 of experience in the diamond and jewelry industry. She is studying to become a Graduate Gemologist at the Gemological Institute of America (GIA). She has gained invaluable experience, knowledge, and insider secrets while working at diamond jewelers Kay and Zales. Juli is committed to providing honest and accurate information to help you make the best diamond and jewelry purchases possible.

Read all of Juli’s articles

Susannah Pask

Writer and editor with experience in fashion, jewelry, bridal, and more. She was a national and regional magazine publisher and editor for over 25 years. She held top management positions at The Atlantic Monthly, Metropolitan Home, Bridal Guide, Women’s Wear Daily, W, and other prestigious luxury market-related publications. At, Susannah writes about diamond jewelry, jewelry trends, ideas, and gifts.

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Klaus T

Klaus has 10+ years of expertise in economic development, trade, and resource extraction, and he worked with the impact of mining on societies and the environment. He is an expert on how resources, such as gold and diamonds and diamond mining impact communities and exporting countries, and has worked with the UN, the World Bank, the African Union, the African Development Bank, and similar organizations. As an economist, he developed a profound interest in diamonds, particularly lab-grown diamonds, the economics of diamonds, diamond prices, valuation, and analysis.

Read all of Klaus’ articles