the cost of diamonds is falling, it will somehow affect to the cryptocurrency?

I don't think so because if diamonds are falling, the founders won't do such advertising campaigns

As I know, diamonds are quite stable now

the price is falling, you can find a lot of information about this

Could you provide us a link which would prove that the price of diamonds is actually falling?

that's not news what about i talk but good too http://fortune.com/2017/08/29/gold-and-diamond-prices-charts/

in august price little bit fall, so it is not stable as many of users here loud.