Partner of designers

Piat specialises in sourcing exceptional natural gems and in their faceting. It works with designers and the most important jewellers, bringing together the tradition of lapidary art and innovation, from its Paris workshop to its Bangkok one.

Sapphire, octagon cut 9 × 7 mm: 3,22 carats

The Piat gems

Technical sheets for fourteen gemstones: characteristics, nomenclatures by shape, origins, treatments and care.

All gems

In Bangkok since 2001

In the world capital of gem cutting and trading, Piat Thailand sorts, calibrates and cuts the Maison’s gemstones, close to the mines.

  1. 1987Eric Piat settles in Bangkok.
  2. 2001The sorting office opens: Piat (Thailand) Co., Ltd.
  3. 2008The lapidary workshop for calibrated stones opens.
  4. 2024The carpet of 26,000 gems, all cut to the same size in Bangkok, is presented in Tucson.
Discover Piat Thailand

Know-how

Enter the world of the Piat workshops and their gem cutters.

  1. 1 Sawing
  2. 2 The outline
  3. 3 Faceting
  4. 4 Polishing
Our know-how

A family house since 1920

From the Jura to Rue de la Paix, four generations of gem cutters and dealers.

The history of the House
  1. 1920
  2. 1959
  3. 1961
  4. 1983
  5. 1995
  6. 1998
  7. 2001
  8. 2008
  9. 2010
  10. 2013
  11. 2014
  12. 2016
  13. 2020
  14. 2020
  15. 2024