1, a symbol of eternal existence: tens of millions of years ago, hot magma in the deep underground washed up on the pipeline. Because the crater is often blocked, the rising magma cools under great pressure. A small amount of pure carbon contained in it crystallizes into diamond at this high temperature and pressure.

2, the symbol of pure love:

Diamonds are pure, transparent and durable. Diamond rings look at you like lovers' bright eyes. It is a symbol of pure love, showing the eternal pursuit and loyalty to love.

Extended data

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.

In the 20th century, "A diamond lasts forever, and a diamond lasts forever" became the most classic advertisement in Chinese mainland, which resounded around the world like a nuclear explosion of love. In ancient eastern China, this sentence is even more meaningful. In just 19 years, it has completely changed the traditional custom of China people wearing gold and jade at their wedding, and a diamond ring has become the most beautiful token of their love.

Baidu encyclopedia: diamonds