Credential Overview
- Principal gemmologist: Stephen Chung
- F.G.A qualification
- G.I.A Diamonds and Diamond Grading certificate
- Methodology communicated in professional, jeweller-focused language
Credentials and Assessment Methodology
Brand-Led Service, Backed by Verifiable Technical Credentials
DGJV communication remains brand-led, while technical credibility is reinforced by clear qualification references, established grading principles, and practical reporting that serves jewellers.
All approved credential documents provided for publication are presented below.
Published Credential Documents
All credentials are shown in full-page format. Click any certificate to inspect it in fullscreen.
Trade Client Testimonials
Approved feedback from longstanding clients is included below. Additional testimonials are available on request.
“I would like to thank you for your excellent diamond appraisal service. Prompt, efficient and competitively priced, and the supporting certificate has helped us achieve greater sales.”
“Stephen recently visited our premises and certified mounted and unmounted stones. The speed and convenience of onsite grading made this a very useful service.”
“We have used DGJV for many years. The service is consistent, professional and fast, and the report quality has supported stronger customer confidence and increased sales.”
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