Several types of diamonds are rare, less than .1% of all natural diamonds. They are each described in the link, below.
'Rare' used to describe a natural diamond describes many diamonds. Red is generally acknowledged as the most rare natural colour in diamonds. Then, the Moussaieff Red, could be called the world's rarest diamond. You can read more about this stone, below.
The rarest diamond colour is the naturally occurring red colour. All naturally coloured diamonds have a further grade designation on this scale:FaintVery LightLightFancy LightFancyFancy DarkFancy IntenseFancy DeepFancy VividThe Fancy Vivid colour designation is the most expensive grade.Read more, below.
Painite has been described by the Guinness Book of World Records as the rarest gem mineral. As of early 2005 there have been eighteen known specimens that are all accounted for.
The most expensive diamond color is generally considered to be a vivid and pure shade of pink, followed by blue and green. These fancy colored diamonds are rare and highly sought after, commanding premium prices in the market.
liquids
A red diamond is probably the rarest colour for a natural diamond. Flawless diamonds are the rarest in clarity, and large diamonds weighing in excess of 20 carats are rare.
The rarest Pokemon is Dialga
A red one
the red diamond
Rubies are considered to be the second rarest gem. (The diamond is the first rarest gem)
'Rare' used to describe a natural diamond describes many diamonds. Red is generally acknowledged as the most rare natural colour in diamonds. Then, the Moussaieff Red, could be called the world's rarest diamond. You can read more about this stone, below.
its a RED DIAMOND only about 10 of them exist!!!!!!!!!!!!!!!!!!!!!!
Arceus Shaymin
The starter Pokemon or spritomb
Red diamonds - are the rarest and most expensive.
Darkrai.
The rarest diamond colour is the naturally occurring red colour. All naturally coloured diamonds have a further grade designation on this scale:FaintVery LightLightFancy LightFancyFancy DarkFancy IntenseFancy DeepFancy VividThe Fancy Vivid colour designation is the most expensive grade.Read more, below.