Diamond Sutra Jewellery | Certification

Certification Matters: Ensuring Quality Every Time
At Diamond Sutra, we prioritize quality and authenticity in every piece of jewelry we offer. That's why we ensure that all our jewelry is certified by globally recognized gemological laboratories.
When you choose Diamond Sutra, you can trust that you're getting nothing less than certified excellence in every piece.
Gemological Science International (GSI)
GSI's comprehensive certification services ensure transparency and integrity, giving you confidence in your jewelry purchase.
International Gemological Institute (IGI)
With offices around the world, IGI certificates bring confidence to buyers and sellers alike.
Gemological Institute of America (GIA)
As inventors of the 4C's and pioneers in gemological education, GIA sets the standard for excellence in the industry.