Diamonds are not a renewable resource. They are formed deep within the Earth’s mantle over millions of years through high-pressure and high-temperature processes. Once extracted, they cannot be replaced or replenished in a human timeframe.
This contrasts with renewable resources like wood or water that can be replenished naturally over shorter periods. The creation of natural diamonds is a geological process that takes an extensive amount of time—typically billions of years. Therefore, once mined, those diamonds are gone forever.
Furthermore, although there are synthetic diamonds created in laboratories, which some might consider a renewable option, they are not natural resources but rather manufactured replacements. In essence, while the market for diamonds is vast and varied, the fundamental nature of diamonds as a resource means they are finite and non-renewable.