Diamond Studio Daily 30/10/2013

Today's diamond of the day is The Amsterdam Diamond, a black diamond weighing 33.74 carats (6.75 g). It's cut to a pear shape and was sold in 2001 for $US352,000, the highest price paid for a black diamond at auction.

• Black diamonds are also called Carbonado. A name coined by Portuguese because of the diamonds resemblance to porous charcoal.

• They are found in the Central Africa and Brazil, with Brazil being the major source.

• The natural colour of a black diamond ranges from black to dark greys.

With celeb power couple Kim Kardashian and Kanye West getting hitched to the tune of a 15 carat rock we decided to choose our top 50 celebrity engagement rings and give you a daily dose of love. 

50 - In at number 50 its Scarlett Johansson, Romain Dauriac proposed to Scarlett Johansson, not with an enormous, chunky rock, but a delicate Art Deco-designed ring. It features three round-cut diamonds laid vertically to create an eye-catching rectangular shape. Beautiful.