About Us
We Work Hard To Provide You The Best Quality Diamonds
Established in 1982, Siam Shine Star is a third generation running company with over 40 years of experience in the industry, with in-depth knowledge of the industry and extensive network of suppliers and manufacturers world-wide. KC Agarwal, founder and CEO, followed his father’s footsteps in the jewelry industry from Rajasthan, India and made his way abroad to climb the ladder of success, finally setting up the main office in Bangkok, Thailand. Recognized in the diamond industry for his and entrepreneurial skills and mentorship, KC Agarwal has amassed a wealth of experience in many countries around the world. In 2000, KC Agarwal’s son, Kartik Agarwal took over the responsibilities of his father from which the company flourished even further due to their reputation from the
quality of services.
Our Company
Our marketplace has been built to save your time speaking to suppliers and manufacturers, by giving you access to an extensive inventory of quality diamonds world-wide through our vast industry networks. We cater to all your needs and requirements with fast delivery right at your fingertips.

We are one of the leading and most experienced companies in the industry, specializing in certified diamonds of all shapes and sizes. We assure that our stones are natural and of the highest quality with the implementation of continuous quality control. Siam Shine Star’s mission is to provide our clients with the finest quality of diamonds, stones available at the best prices and to build a loyal, long-term relationship with our stakeholders. “A connoisseur of the finest most exquisite diamonds”
Have a diamond you can't find ?
Do you have a diamond that you can’t find on our store ?
No worries , send us an enquiry and we’ll be in touch.