"Oil diamond" refers to a blue shadow of a diamond, like the flame of natural gas and oil. This is a big diamond, which combines perfect color, clarity and cutting, giving off a rare light.

"pigeon eggs", which means transparent powder, is widely used to describe high-quality diamonds with large carats.

Generally, everyone thinks diamonds are big and beautiful. Pink diamond is really rare. The whiter, the more expensive. In fact, this classification is only the classification of colorless diamonds. In the gem world, the more beautiful and rare stones are, the more expensive they are, and diamonds are no exception.

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Diamond refers to polished diamond, which is a natural mineral and the original stone of diamond. Simply put, diamond is a simple crystal composed of carbon element formed under high pressure and high temperature conditions in the deep part of the earth. Diamonds are beautiful and rare. They are symbols of love and loyalty, representing eternal love.

On May 17 and 16, Sotheby's held a spring jewelry auction in Geneva, Switzerland. A pair of colored pear-shaped diamond earrings set a new record in the auction history with a total price of about 57.4 million US dollars (about 395 million yuan).

This pair of pear-shaped earrings is made in South Africa. Except for the different colors, the appearance is almost the same, weighing about 16 carats respectively. Among them, the dark pink diamond was named "Artemis", which earned US$ 6,543.8+0.55 million (RMB 654.38+0.067 million), and the other diamond was named "Apollo" because of its rare color, which was more than twice as expensive as the pink diamond. ?