What is the shape of the diamond? Where does the diamond come from:

Each diamond shape is different, and unique characteristics determine the quality of each shape. Round is by far the most popular and researched style, and princess cut diamonds are the most popular fancy-shaped diamonds. In addition, there are emerald-shaped, asscher-shaped, marquise-shaped, oval-shaped, radiant-shaped, pear-shaped, heart-shaped, and long-horned ladder-shaped.

1. The most popular of the round diamond shapes, with 57 facets.

2. Oval A variant of the round brilliant, the same weight may appear larger.

3. Marquise-shaped diamonds have a sharp corner at each end of the net.

4. Heart is the most romantic shape among flower-shaped diamonds.

5. Square column shape: Rectangular cutting and grinding, the four corners are cut off and replaced with trapezoidal facets, and the facets on each side are also trapezoidal cutting and grinding.

6. The pear shape is derived from the French "pendeloque", (hanging).

7.Origin of the diamond:

The proven natural diamond reserves are about 2.5 billion carats, including 650 million carats in Australia and 550 million carats in Zaire. According to the mining level, the existing diamond reserves can only be mined for 25 years, but with the improvement of the level of prospecting technology, new mining areas are discovered every year, and the diamond reserves in Canada have increased significantly in recent years. Since the mining of diamonds, a total of about 350 tons of diamonds, or 1.75 billion carats, have been mined. The world's annual diamond mining is 90 million to 100 million carats, of which gem quality accounts for 17% to 20%. 20% of gem-quality diamonds are worth five times the value of 80% of industrial-grade diamonds. Diamonds are produced all over the world, and more than 30 countries have diamond resources, with an annual output of about 100 million carats. The top five countries by production are Australia, Zaire, Botswana, Russia, and South Africa. The diamond production of these five countries accounts for about 90% of the world's diamond production. Other diamond producing countries are Congo (Kinshasa), Brazil, Guyana, Venezuela, Angola, Central Africa, Ghana, Guinea, Ivory Coast, Liberia, Namibia, Sierra Leone, Tanzania, Zimbabwe, Indonesia, India, China, Canada, etc.