Yellow diamonds, or yellow diamonds, also known as golden diamonds, are a type of colored diamond. Yellow diamonds specifically refer to diamonds in the color of pure, distinctive shades of yellow or golden yellow colored diamonds. Yellow diamonds are rare in production and bright in color, making them popular with collectors.
[Causes of Yellow Diamonds].
Yellow diamonds are formed when nitrogen atoms replace certain carbon atoms in the diamond crystal (one hundred out of every million carbon atoms are replaced), and the excess electrons form a new energy level in the forbidden band, which causes the crystal to absorb visible light, giving the diamond a yellow color. Yellow diamonds are usually light yellow, golden yellow, wine yellow or amber, and are the most common color of colored diamonds, with golden yellow being the most valuable and rare.
[yellow diamonds origin]
①Southern and central Africa
The first colored diamond found there was a 21.25-carat yellow diamond, named "Eureka".
②Sierra Leone, West Africa
The king of yellow diamonds, the Hermes of yellow diamonds: the Zimmi yellow diamond from the Zimmi mine in Sierra Leone. Sierra Leone's zimmi mine produces a special yellow diamonds, by the industry in the name of the mine named zimmi yellow diamonds, zimmi yellow diamonds show high saturation color, the color is extremely strong and charming, showing a typical "canary" yellow.
③Australia
Allendale Mining Company of Western Australia is the world's single largest supplier of rare fancy yellow diamonds.
④Other sources
China also has alluvial diamond deposits, also produced one hundred and two hundred carats of yellow diamonds, now the central bank on the deposit of a piece of Chinese production called "Changlin Diamond" 158.786ct yellow diamond.
[yellow diamond color grading
In clear, colorless diamonds, the best colors start from D, E, F, G ......, and the further you go, the yellower the color. Although they are yellow, they do not fall into the category of "yellow colored diamonds".
Diamonds generally more than Z color, can be classified to the range of colored diamonds, colorless grading in the XYZ range after the assortment, can be classified as Light, and then there are six levels:
1. Fancy Light
2. Fancy
3. Fancy Dark
4. Fancy Intense
5. Fancy Deep
6. Fancy Vivid
[Famous Yellow Diamonds
①The Incomparable
②The Tiffany Yellow
③Allnatt Yellow Dianmond
③Allnatt Yellow Dianmond ④Florentine Diamond
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