Red Diamonds
Red is the rarest and most highly valued of all
diamonds. The largest red. Mousaieff Red at 5.11 carats is the largest pure red
diamond ever graded.
Green Diamonds
Green
are very rare with less than 10 coming on to the market each year. Natural
green diamonds are so rare that most jewellers will never see one. The Dresden
Green diamond is the most famous.
Blue
Diamonds
Blue
diamonds, along with pink have increased the most in value over the past 30
years. While blue diamonds over five carats are extremely rare, the Hope
Diamond was blue. The Cullinan Mine in South Africa is the leading
producer of blue diamonds internationally.
Yellow Diamonds
Yellow
are probably the most affordable diamonds, but will increase as they become
more scarce. Some of the largest diamonds are yellow diamonds including the
Tiffany Diamond and the Kimberly Octahedron. Natural Intense Fancy Yellow
diamonds are extremely rare.
Pink
Diamonds
Pink
are rare and very valuable. The primary source is the Argyle mine in Australia although
some have been found in Brazil, Tanzania and India. Pink
diamonds with no secondary colouring are the rarest and most expensive. Pink is
associated with love and compassion because these are heart qualities. There
are 5 colour categories: Pink, Purplish Pink, Brownish Pink, Orangey Pink and
Pink Champagne.
Black Diamonds
Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond, It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite and amorphorus carbon with minor crustalline precioitates filling pores and occasional reduced metal inclusion.