Gems
How Ceylon Gems Are Mined: Inside a Traditional Pit
by Nimal PereraJul 8, 2026 6 min read
For centuries, the gem miners of Ratnapura have followed the illam — the gem-bearing gravel layer.
The pit
Narrow shafts are dug by hand and shored with timber.
Washing the gravel
The gravel is washed in cane baskets, the miners catching the glint of a rough sapphire.
A living heritage
Much of this work remains small-scale and community-based.