1. Coober Pedy — Australia
- Region :
- South Australia
- Main stones :
- Precious opal
- Highlight :
- Famed for opals with the most unique play of colour in the world.
Gemstone mines
Treasures from around the world
2. Argyle — Australia
- Region :
- Western Australia
- Main stones :
- Diamond
- Highlight :
- The world's only source of natural red diamonds, now closed.
3. Mogok — Myanmar (Burma)
- Region :
- Mogok, Mandalay
- Main stones :
- RubySapphire
- Highlight :
- The legendary valley of pigeon's blood rubies and exceptional blue sapphires.
4. Muzo — Colombia
- Region :
- Boyacá
- Main stones :
- Emerald
- Highlight :
- Its emeralds are among the most sought after, with an intense green.
5. Paraíba — Brazil
- Region :
- Rio Grande do Norte
- Main stones :
- Tourmaline
- Highlight :
- Known for tourmalines of exceptional, very rare neon blue.
6. Bahia — Brazil
- Region :
- Bahia
- Main stones :
- AquamarineMorganiteHeliodor
- Highlight :
- A region rich in multicoloured beryls and many fine stones.
7. Mbuji-Mayi — Congo - Kinshasa
- Region :
- Kasaï-Oriental
- Main stones :
- Diamond
- Highlight :
- One of the world's largest artisanal diamond mining areas.
8. Correntes — Brazil
- Region :
- Rio Grande do Sul
- Main stones :
- Amethyst
- Highlight :
- Known for large amethyst geodes of excellent quality.
9. Ilakaka — Madagascar
- Region :
- Ilakaka
- Main stones :
- Sapphire
- Highlight :
- One of the world's most important sources of fine sapphires.
10. Kola — Russia
- Region :
- Kola
- Main stones :
- Amazonite
- Highlight :
- Famed for high-quality amazonite of a unique blue-green.
11. Marange — Zimbabwe
- Region :
- Manicaland
- Main stones :
- Ruby
- Highlight :
- Produces some of the finest and most sought-after rubies.
12. Manyara — Tanzania
- Region :
- Manyara
- Main stones :
- Tanzanite
- Highlight :
- Unique in the world: tanzanite is found only in Tanzania.
Legendary regions
Four mythical lands for the world's finest stones.
Australia
Lightning Ridge · Coober Pedy · Argyle
Precious opalBlack opalDiamond
Australian opals show the world's finest play of colour; the Argyle red diamond is an almost exhausted treasure.
Myanmar (Burma)
Mogok
RubySapphire
Mogok is famed for exceptionally red rubies and velvety sapphires.
Colombia
Muzo · Chivor · Cordillera de los Andes
Emerald
Colombian emeralds are considered the world's finest: intense green, purity and brilliance.
Brazil
Paraíba · Minas Gerais · Bahia
TourmalineAquamarineImperial topazAmethyst
An exceptional source of fine stones with unique colours, including Paraíba tourmaline.
Responsible, ethical mining is essential to preserve these natural treasures.