Herve Corniou

Trimoro is a cross-cultural atelier born from French heritage and based in Bangkok — the world’s colored gemstone capital.

With in-house expertise, ethical sourcing, and a fully integrated workshop, we bring excellence, flexibility and trust to every project we take on.Based in Bangkok, we source, recut and enhance gemstones in-house — offering a unique advantage in quality and price.

Trimoro’s management is a team of jewellery and precious-stones experts, trained in G.I.A and Place Vendôme.