About Us

Welcome to DSI
Diamond Scientific Instıtute Laboratories A tradition of Science and Education DSI is the leading source of knowledge, standarts, and education in gems and jewellery...

EXPERTISE

DSI laboratories are staffed by expert scientists and gemologists working with state-of-the-art technology.

EXPERTISE PRECISION

Advanced instrumentation and experienced visual observations deliver consistently accurate results.

EXPERTISE OBJECTIVITY

All gemstones are analyzed under complete client anonymity to ensure objective analysis.

EXPERTISE INTEGRITY

As a non-profit organization, DSI operates independently of commercial and private interests, political lobbies and advocacy groups.

EXPERTISE GLOBAL STANDARD

DSI reports are the benchmark of analysis and grading, and those who buy, sell or curate the world’s most important gems rely on DSI.