We all know that when it comes to diamond rings...there are rings and then there are ROCKS. So what makes this one so special?
Well, this is world's first completely diamond ring. There is no metal. The entire ring was cut from one diamond, made by Swiss jeweler Shawish.

Huffington Post reports it weighs in at 150 carats and is worth an estimated $68 million.

Truth be told...I don't think it's all that pretty, but hey, I wouldn't turn it down. Check it out by watching the video (you'll get a good shot of it at the 1:00 mark)...what do you think of the ring?