Diamond refers to polished diamond, which is a natural mineral and the original stone of diamond. Simply put, diamonds are elemental crystals made of carbon, which are formed under high pressure and high temperature in the depths of the earth. Beautiful and rare diamonds are symbols of love and loyalty, representing eternal love.

On may 2017 16, Sotheby's held a spring jewelry auction in Geneva, Switzerland. A pair of colored pear-shaped diamond earrings sold for about US$ 57.4 million, or about RMB 395 million, setting a new record in the auction history.

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 named "Artemis" was sold at the price of 6.5438+0.55 million US dollars (RMB 6.5438+0.67 million yuan), and the other diamond named "Apollo" was deep lake blue, which was more than twice as expensive as pink diamond, because its color was rarer than pink diamond.

Although diamonds have hard properties, the wearer needs to care for them to make them shine. How to ensure that your jewelry will always shine? Start with the characteristics of diamonds and tell you how to maintain them.