Global raw material supply network

Source rough and feedstock close to origin. Browse by country and material type, see live availability, and connect with origin-declared suppliers across the world's gemstone belts.

40+
Source countries
12
Material types
Live
Availability signals

Material types

What's flowing right now.

All materials
DiamondRubyEmeraldSapphireSpinelGarnetTourmalineTanzanite
Raw gemstones β€” Mahad Gems

Country-based sourcing

Supply by origin.

Each origin is screened for compliance and documentation. Availability reflects recent verified parcel flow on the platform.

Country
Materials
Availability
Notes
πŸ‡²πŸ‡ΏMozambique
RubyGarnetTourmaline
High
Montepuez ruby belt; strong rough parcel flow.
πŸ‡¨πŸ‡΄Colombia
Emerald
Medium
Muzo & Chivor emerald; origin-reported lots.
πŸ‡±πŸ‡°Sri Lanka
SapphireSpinelGarnet
High
Ceylon blue & fancy sapphire, geuda rough.
πŸ‡ΉπŸ‡ΏTanzania
TanzaniteTsavoriteSpinel
High
Merelani tanzanite; tsavorite garnet.
πŸ‡²πŸ‡¬Madagascar
SapphireEmeraldBeryl
Medium
Ilakaka sapphire; diverse beryl supply.
πŸ‡²πŸ‡²Myanmar
RubyJadeSpinel
Limited
Mogok ruby & spinel; compliance-screened.
πŸ‡§πŸ‡·Brazil
TourmalineAquamarineTopaz
High
ParaΓ­ba tourmaline; large beryl output.
πŸ‡ΏπŸ‡²Zambia
EmeraldAmethyst
High
Kagem emerald; consistent rough grade.

Suppliers

Origin-declared raw suppliers.

Montepuez Rough Co.

Mozambique
Verified
MaterialsRuby Β· Garnet
Trust scoreATrust A

Muzo Source Partners

Colombia
Verified
MaterialsEmerald
Trust scoreATrust A

Ilakaka Mining Supply

Madagascar
Verified
MaterialsSapphire Β· Beryl
Trust scoreBTrust B

Merelani Direct

Tanzania
Verified
MaterialsTanzanite Β· Tsavorite
Trust scoreATrust A

Ratnapura Rough Traders

Sri Lanka
Verified
MaterialsSapphire Β· Spinel
Trust scoreBTrust B

Kagem Emerald Supply

Zambia
Verified
MaterialsEmerald
Trust scoreATrust A