Red diamonds - are the rarest and most expensive.
First of all Diamond Isn't even an element, Platinum is the most expensive element of all.
The most expensive diamond, by definition, is priceless.
pure diamond is the most expensive jewel
diamond
diamond
yes not only that but the most expensive gem of all at more than $200 million
Since every diamond is a unique stone, every diamond is priced according to its unique characteristics: cut, colour, carat weight and clarity. You pay less for more flawed, more yellow and poorly-cut diamonds. There's really no way to rank diamond cut by price. However, some fancy diamonds are priced by auctioneers by carat weight: per carat given the higher-than-one-carat weight of the fancy stone. In this scheme, bidders usually pay the most for natural blue diamonds, regardless of the cut.
Probably a red diamond, since it is the most rare natural colour.
It dosent really have to be expensive, it's just that most French resturants in the USA are really fancy and expensive.
Diamond, sapphire,emrald, ruby they all are expensive
The Hope is not the most expensive diamond in the world, because its purchase price remains confidential. Other large, rare and famous diamonds have changed hands, but not necessarily for money.
united kingdom