CIEN, a company based in Thailand, is renowned for the streamlined production of premium-quality gemstones and diamonds calibrated regarding a strictly accurate standard, along with a diversified range of exquisite pieces of jewellery specifically for luxury brands. We offer a one-stop service solution encompassing your specific needs, from procurement of rough stones through delicate craftsmanship of facet placement and jewellery creation to optimal specification control with transparent and sustainable practices.

Narongkod Kompasakorn
 555 Soi Chockchai Jong Jamroen, Bangpongpang, Yannawa 10120 Bangkok THAILAND


Diamonds - Rubies - Sapphires - Emeralds
Visit website


GemGenève is the main partner of the Digital Jewelry Week in October 2024! Student? Young Designer?

Enter contest and your piece will maybe be produced and showcased at the next GemGenève show!


Are you a Designer or an Emerging talent? Do you have interesting pieces to showcase to a wide audience?

We are seeking new talents for our next edition in May 2025. Should you be interested in exhibiting: