The field test for diamond is 'extreme hardness'.
About 10 carat rough yellow diamond was produced by diamond manufacturer in Russia, St-Petersburg
Rough Endoplasmic Reticulum
Assuming you're referring to the Cullinan Diamond, it was the largest rough diamond ever found, weighing 3,106 carats before cutting.
There are two records for that: Centenary Diamond - world's largest colorless, flawless diamond and The Golden Jubilee Diamond - World's largest faceted diamond. These two are among the largest polished (finished) diamonds. The Cullinan diamond is the largest rough gem-quality ever found, at 3,106.75 carats.
calls-Last answer BS Diamond when shined and cut is smooth and pointy at the edges, when it is not yet refined it is like a regular rock, rough and stuff.
Rough Diamond - album - was created in 1977.
Diamond in the Rough - album - was created in 1976-07.
A Real Diamond in the Rough was created on 2009-05-01.
Rough Cut Diamond was created on 2009-07-22.
Rough Diamond - 2006 is rated/received certificates of: Australia:PG
Yes.
A Rough Diamond - 1911 was released on: USA: 5 June 1911
A Rough Diamond - 1913 was released on: USA: 26 November 1913
A Diamond in the Rough - 1911 was released on: USA: 4 December 1911
A Diamond in the Rough - 1914 I was released on: USA: 26 April 1914
The Rough Diamond - 1921 was released on: USA: 30 October 1921
Diamond in the Rough - 1988 is rated/received certificates of: Netherlands:16