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 — 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
🇲🇿Mozambique
RubyGarnetTourmaline
High
Montepuez ruby belt; strong rough parcel flow.
🇨🇴Colombia
Emerald
Medium
Muzo & Chivor emerald; origin-reported lots.
🇱🇰Sri Lanka
SapphireSpinelGarnet
High
Ceylon blue & fancy sapphire, geuda rough.
🇹🇿Tanzania
TanzaniteTsavoriteSpinel
High
Merelani tanzanite; tsavorite garnet.
🇲🇬Madagascar
SapphireEmeraldBeryl
Medium
Ilakaka sapphire; diverse beryl supply.
🇲🇲Myanmar
RubyJadeSpinel
Limited
Mogok ruby & spinel; compliance-screened.
🇧🇷Brazil
TourmalineAquamarineTopaz
High
Paraíba tourmaline; large beryl output.
🇿🇲Zambia
EmeraldAmethyst
High
Kagem emerald; consistent rough grade.

Suppliers

Origin-declared raw suppliers.

Montepuez Rough Co.

Mozambique
Verified
MaterialsRuby · Garnet
Trust scoreATrust A

Muzo Source Partners

Colombia
Verified
MaterialsEmerald
Trust scoreATrust A

Ilakaka Mining Supply

Madagascar
Verified
MaterialsSapphire · Beryl
Trust scoreBTrust B

Merelani Direct

Tanzania
Verified
MaterialsTanzanite · Tsavorite
Trust scoreATrust A

Ratnapura Rough Traders

Sri Lanka
Verified
MaterialsSapphire · Spinel
Trust scoreBTrust B

Kagem Emerald Supply

Zambia
Verified
MaterialsEmerald
Trust scoreATrust A