Gem StoreBrowse every stone
Komeil Zebardast
Founder & CEO
Lapidary teacher with 20 years of experience in faceting. Komeil sources Persian demantoid directly from the mine and oversees every stone we cut.
The house · Team
The people behind Persian Demantoid.
A small team in Bangkok, working with Persian demantoid from the mine to the finished stone.
Meet the team
Who you’ll talk to.
Arghavan Bairampour
Business Development & Sales Manager
Your first contact for buying, trade partnerships and private viewings.
Mehdi Kiaei
CRM & Sales Pipeline Manager
Keeps every request on track — from your first message to delivery.
From mine to you
How we work.
Mining & rough
We source rough demantoid directly from the mine.
Cutting & polishing
Each stone is cut and polished to show its colour and fire.
Certification
Stones can be sent for an independent laboratory report.
Fine jewellery
Loose stones for collectors, or set into a finished piece.
Visit us
Come and see the stones.
JTC Silom, Bangkok, Thailand
Open daily 09:00–20:00
Book a private viewing and we’ll have stones ready that match what you’re looking for.
Talk to the team.
Ask about a stone, a sourcing request or a viewing in Bangkok.