In the gem world, more people are employed in mining and cutting Diamonds, than for any other gemstone. The quality of the gems colour, clarity and cut (see the 4 C’s) are more tightly measured than any other gemstone.
Find out more in our Learning Library
The value of a similar carat weight of Diamonds can vary dramatically, based on their clarity and colour and to some extents more importantly, how well the gemstone has been cut.
Its famous sparkle and its strong lustre is described as an adamantine lustre. One of the main differences to other gemstones is that a lack of colour is highly prized.