We are engaged in providing high quality gemological instruments for diamond and gem stone industries. SmartPro is the world’s first Diamond tester comes with readable LCD Display.


Commits to provide unique and advanced Measuring & Testing Instruments and Services that deliver superior, measurable values to all users.


Smartpro Instrument Co., Ltd. is a private company registered in Thailand in 2013. We are engaged in providing high-quality gemological instruments for the diamond and gemstone industries. We provide the most portable, high-tech, and easy-to-use instrument in the market today. SmartPro is a globally reputed manufacturer of Measuring Instruments and Testers. Our products range from Diamond testers, Diamond Moissanite Testers, and Color stone Testers.

We are committed to delivering the smartest ever Gem Tester with compelling designs, flawless quality, and reliability. We manufacture Brands to give our customers value for their time, money, and energy. Smart-Pro and team are determined to give our clients the best products and service available. We are directed towards achieving the highest standards in the discipline of client satisfaction through our experienced and personalized after-sale services, world-class quality, and economical price policies.


To be always on top and the best manufacturer of Hi-Tech, Accurate, Portable & User-Friendly Diamond & Color Stone Measuring and Testing Instruments in the Global Market.