Trading
Colour stones
Specialized in the gemstone trade, GROSPIRON supplies both precious and semi-precious stones (centre stones or side stones) in a wide variety of qualities, colours, and sizes.
Diamonds
Diamond dealer for more than 50 years, GROSPIRON is committed to providing diamonds that meet the traceability and naturality requirements of its customers.
Cultured pearls
A stock of seawater and freshwater cultured pearls is available in all shapes and sizes.
« The GROSPIRON Company has been renowned for its stone cutting craftsmanship since its founding and for its constantly replenishing stock of coloured stones »
