Understanding Diamonds in 5 Minutes, Basic Diamond Professional Knowledge-part-2

Diamond reserves

At present, the proven diamond reserves are approximately 2.5 billion carats, including 650 million carats in Australia and 550 million carats in Zaire. According to the mining level, the existing diamond reserves can only be mined for 25 years. Although new mines are discovered every year, due to the difficulty of mining and the small proportion of gem-grade diamonds, there will be fewer and fewer high-quality natural diamonds.

So, how to measure the quality of a diamond

There are mainly 4 dimensions: the 4C standard, which was created by GIA (Gemological Institute of America), and is universal