CollectionsMarilyn Monroe’s Perfect Pink Diamond

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Christie’s give their own view as to why diamonds are, as Marilyn Monroe famously sang, a girl’s best friend. For a cool US$14 million, the famous Pink Perfect diamond awaits you.

Diamonds have been known in India since time immemorial, and the subcontinent was the only source of diamonds until 1723 when they were found in Brazil, followed by South Africa in 1870. After World War II, diamonds went on to be discovered in Russia, Botswana and Australia.

A diamond is a mineral made essentially of carbon in an exceptionally pure form, crystallized at extremely high temperatures and pressures. Nitrogen is the only foreign element commonly present; this may amount to as much as only 0.23 per cent. The hardest known natural substance, diamonds are composed of carbon atoms packed rigidly together to form a three-dimensional pattern, with each carbon atom tightly bonded to four further surrounding carbon atoms.

It is this close packing of the atoms and the regularity of the diamond’s crystal structure that is responsible for the renowned aesthetic beauty, lustre, refraction of light, transparency and extreme hardness. The atomic structure also determines the colour. Diamonds have a much higher thermal conductivity than any other gem which is why they are colder to the touch and become warmer more quickly when worn.

The colour spectrum of diamonds ranges from colourless to yellow, brown, grey, orange, green, blue, white, black, purple, pink and extremely rarely, red. ‘Fancy’ is the term for any naturally coloured diamond with a noticeable depth of body colour which is considered rare or attractive.

Fancy coloured diamonds are the most expensive gemstones in the world. Blue diamonds are caused by minute amounts of the element boron substituting carbon. Pink diamonds are concentrated in lines known as ‘graining’ caused by slippage of the crystallographic lattice during formation deep inside the earth’s crust. The official grading of fancy coloured diamonds is: faint, very light, light, fancy light, fancy, fancy intense and fancy dark. The conditions in which fancy coloured diamonds crystallize and acquire their colouration are not constant; each one is unique.

The finite supply of these natural wonders ensures that they are excellent stores of value. International market appreciation of coloured diamonds accelerated in the mid-1980s when Christie’s sold a 0.95 carat red diamond for $850,000. The most expensive jewel ever sold at auction is a blue diamond now known as the Wittelsbach-Graff, which achieved US$24 million at Christie’s London in December 2008 when it sold to jeweller Laurence Graff.

On October 20 the BVLGARI Blue Diamond will lead Christie’s New York Jewels sale. Part of a stunning two-stone diamond ring, designed by the legendary house of BVLGARI in the 1970s, this 10.95 carat diamond is the largest triangular-shaped fancy vivid blue ever to appear at auction. It is estimated to achieve in excess of $12 million.

The Perfect Pink, an extremely rare 14.23 carat fancy intense pink diamond, will lead Christie’s Hong Kong sale on November 29. In over 244 years of auction history, only 18 diamonds over 10 carats showing a distinct pure pink colour have appeared for sale and not one was graded a fancy intense pink at the time, placing this extraordinary diamond in a class completely of its own. It is estimated to achieve US$14-19 million.

If you’d like to find out more about Marilyn Monroe, read more here: Marilyn Monroe – Star, sex symbol, fashion icon

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