No one can deny the beauty and enduring appeal of a gleaming diamond, even the team here at National Plant & Equipment. We're always on the look-out for interesting mining facts, and this...
Fashion can be extremely fickle. At one moment, everyone wants rustic, minimalist jewellery, and the next, they may seem to desire intricate, gem-filled pieces. Now, the latest trend is for coloured diamonds - and it's not just fashion lovers that are seeking them out.
Over the last decade or so, coloured diamonds have been steadily increasing in popularity. In fact, the Fancy Color Research Foundation's research found that, from 2006 to 2014, coloured diamonds experienced a total appreciation of 154.7% on average.
Well-known auction house Sotheby’s set a new world record for a Burmese ruby, selling it for US$8.4 million. The auction house also set a world record for sapphires it sold in Hong Kong.
People are realising that the supply of coloured diamonds is beginning to dwindle, making them more attractive and an excellent investment that will most likely retain value for the foreseeable future.
Coloured diamonds are formed in much the same way as regular diamonds; pure carbon is crystallised over 100 km beneath the earth's surface, and these gems are then transported upwards by volcanic eruptions.
The difference comes when other atoms are trapped in the precious stone as it comes towards to surface. For example, when nitrogen is introduced, blue light is absorbed, giving the diamond a yellow tint.
As such a popular and fascinating gem, there are plenty of interesting facts about coloured diamonds, such as:
Whether you're mining diamonds or coal, we have the mining equipment you need. At National Plant & Equipment, we pride ourselves on providing top quality mine equipment - for both hire and sale - to the mining and construction industries. Contact us today to find out more about our earthmoving equipment in Australia.