Welcome to Orwin Products Ltd.

Suppliers of Gem Testing Equipment & Books to Professional Gemmologists & Gemmology Students Worldwide
Discover our products

Since the beginning our aim has been to produce equipment primarily for gemmology students. Orwin Products Limited continually strives to improve the range and quality of the items it supplies because a student’s first contact with a new subject should leave lasting good memories and provide the very best at an affordable price.

If you require advice or information about any aspect of gemmology, we will do our best to give you a prompt and honest answer, based upon our many years of teaching international gemmology students and visiting many gem mining & cutting areas. Send your query together with an e-mail address that we can respond to.

Thousands of satisfied customers!
Regarding the spectroscope, the big OPL diffraction grating units are the best, particularly for seeing the 450 nm complex in sapphire (prism units stretch the blue and violet, making it tougher to see weak lines in that region).
- Dick Hughes
View more testimonials

Featured Products

A selection of some our most popular products.