We serve you with excellent craftsmanship and exquisite designs.


Tet Design is a manufacturer and exporter of fine jewelry since 1989. Starting out as a small family-owned business, we have grown into a well-respected name among our international clienteles such as oversea distributors, agents, wholesalers, brands and chain stores. We are confident that we can assist you in all of your jewelry needs with our ever-expanding collection of designs or work with us to create your own original masterpieces.

We highly value all of our customer and strive for excellence. We are committed to provide the highest quality products and services possible while working alongside our customer with honesty and integrity. Our management and staffs hope to assist you in every way possible to cater to your requirements
and to build long-lasting relationship.

Since 2005, Tet Design has continuously maintain ISO 9001:2008 certification given by Moody (now Intertek). We are currently making improvements to meet the new ISO9001:2015 revision requirements as part of our commitment to constantly improve our quality management system to satisfy all customer expectations and deliver customer satisfaction.

Our manufacturing facility is located in a spacious green area in Nakornpathom, just shy of an hour by car from the Bangkok Metropolitan area. Please consider this a personal invitation from us to come see our exclusive designs and newest styles. We are more than happy to arrange a meeting with you.




Since 1989 by
Sompol Termpitayavej


Over 200 skilled workers


Built within a spacious 11,000 sq. m land


Nakornpathom, Thailand
(approx. 30 km. from central Bangkok)


ISO 9001:2015
by Intertek


Upcoming Events

Mark your 2019 calendar for these following trade shows. We are more than happy to meet and discuss with you in person. See you there!



Bangkok Gems and Jewelry Fair

Hong Kong
Hong Kong International Jewellery Show

Bangkok Gems and Jewelry Fair

Hong Kong
Hong Kong Jewellery and Gem Fair

18 – 23 January 2019

20 – 24 February, 2019

28 Feb – 4 March, 2019

September, 2019

18 – 12 September, 2019