Located in Monthey (Switzerland) since 1914, the company Hrand Djevahirdjian SA (Djeva) produces synthetic stones for both the jewellery and industrial sectors through a method, which bears the name of his inventor Auguste Verneuil.

Djeva has been a limited company since 1924. It presently employs around 80 people.

It offers a range of rough crystals to meet a wide variety of needs.

There are currently 10 000 square metres of buildings, housing about ten departments: the production of refractory clay muffles, water electrolysis, the purification of ammonia alum, the calcination of the alum, the production of synthetic crystals, quality control, and heat treatment, as well as laser machining, an applied research laboratory and the company’s technical and administrative services.

The company has won the confidence of a large international clientele.