The Gem Lab is the place to go for all your gemstone certification, appraisals and training. With highly qualified staff and an owner who loves to share his knowledge, you’ll be pleased you called. For the past 30 years (1989 – 2019) we have offered a professional service to the industry. Jeremy Rothon started his career under the guidance of the world renowned gemmologist, Ian Campbell. The Gem Lab adhere to the international grading standards, and to ensure that every customer entrusted to each of our precious stones in the world’s most accurate and consistent color gem identification and grading. You can rest assured that The Gem Lab certified gems are thoroughly checked and graded by a qualified and experienced gemmologist. That’s why dealers from around the world insist on The Gem Lab certificates.