our services

Diamond Grading - Gemstone Certification - Diamond Education

DHC has providing hallmarking services to the Diamond industry. We provide Certification and Consultation for Diamonds & Gemstone with international standards. We take pride in providing fast, high quality and easy Certification service with a clear focus on our customers needs

Our Services

Education

We conducts regular classes and impart scientific training in Gemmology, Diamond Grading and Jewel CAD. 

- DIPLOMA IN GEMMOLOGY

- DIPLOMA IN DIAMOND GRADING

- DIPLOMA IN JEWELLERY DESIGNING (CAD)

- GEM IDENTIFICATION CERTIFICATE COURSE

- DIAMOND GRADING CERTIFICATE COURSE

- CORPORATE TRAINING FOR JEWELLERY IS ALSO AVAILABLE

Consultancy for Gemological Labs, Diamond Grading Class, Gemstone Identification Class, Custom-made Staff Training Program, Custom-made Gemological Training for Jewelry Professional.

Lab Services On Color Stone

Gemstone Identification, Identification of Gemstone Treatment, Identifying Origin of Gemstones

 Lab Services On Diamonds

Diamond Grading, Diamond Studded Jewelry Analysis, Diamond Opinion

Brands

DHC

Working Hours

10 am 7 pm

Payment Modes

Csah, DD

Our Branches