By Rubina Posh January 21,2017
The price of Purple Diamonds depends on the intensity of their colour.
A 0.42ct P1/I1 Round Cut Diamond graded as Natural Fancy Pinkish Purple was available on 8th December 2017 for around AUD$23,000
A 1.10ct Si1 Radiant Cut Diamond graded as Natural Fancy Pink Purple was available on 8th December 2017 for around AUD$165,000
Purple Diamonds are divided into eight categories:
- Very Light
- Fancy Light
- Fancy Intense
- Fancy Vivid and
- Fancy Deep/Fancy Dark
These are then further divided based on their secondary colours.
Always graded face up (flat side up) these diamonds will have the secondary colour listed first, followed by the main colour. The last colour mentioned is the most dominant colour.
Purple Diamonds also known as Plum, Orchid, Lilac, Mauve, Lavender and Grape, are generally reddish pink. Just like with the pink diamonds, their colour is caused purely from the high pressure and temperature beneath the earth’s surface. Purple diamonds usually occur with a secondary colour, as pure purples are extremely rare and are also a secondary colour (modifying colour) usually for pinks and reds but can be for other fancy coloured diamonds.
Purple Diamonds are found in Australia (Argyle mine), Brazil (the Amazon), Canada (Quebec), Russia, Siberia, and South Africa. The Kimberley mine in South Africa is the biggest producer of purple diamonds.
Purple diamonds are most commonly found up to 2ct in size but can go up to 5ct and are cut in all shapes including:
Asscher, Cushion, Emerald, Heart, Marquise, Oval, Pear, Princess, Radiant and Round although the Round Shape in Natural Purple is the shape that is the most desirable.
All shapes other then the round brilliant cut are best for fancy coloured diamonds as they maximise their colour. The round brilliant cut is usually best for the colourless diamonds making them sparkle more. However, this is opposite for purple diamonds. A round brilliant cut doesn’t reduce the intensity of its colour as these diamonds usually have darker tones than the other fancy coloured diamonds.
The most expensive Purple Diamonds are pure purple without any secondary colours unless that secondary colour is red, such as Fancy Red-Purple or Fancy Reddish Purple. These red-purple or reddish purple diamonds will be the same price as a pure purple diamond of the same size.
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