The rarest diamond colour is the naturally occurring red colour. All naturally coloured diamonds have a further grade designation on this scale:
The Fancy Vivid colour designation is the most expensive grade.
Read more, below.
The rarest form of diamond is known as the blue diamond, which gets its color from the presence of boron during its formation. Blue diamonds are highly sought after for their unique color and rarity, making them one of the most valuable and coveted diamond varieties.
'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.
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 rarest color in auroras is blue. Blue auroras occur at higher altitudes than other colors, around 60 miles above the Earth's surface. They are less commonly seen compared to green and red auroras.
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.
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 diamond color is the natural red diamond. Most diamond dealers have never seen one, other than a "red" diamond that was originally congac or yellow color, and was treated to look red. The second rarest is the natural untreated green diamond, then, the natural untreated orange, then the blue and the pink diamonds. The value depends on many other factors however. But colorless diamonds are still the most sought after.
rarest eye color is GREEN
The rarest Pokemon is Dialga
The rarest form of diamond is known as the blue diamond, which gets its color from the presence of boron during its formation. Blue diamonds are highly sought after for their unique color and rarity, making them one of the most valuable and coveted diamond varieties.
A red one
the red diamond
Red is rarest-around 25 percent
Rubies are considered to be the second rarest gem. (The diamond is the first rarest gem)
Yellow is said to be the most popular, black in the middle and the rarest color would be chocolate.
The rarest color is bright apple green with flashes of the red, gold and orange fire.
'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.