1, diamond certificate: When buying diamonds, it is best to choose diamonds with authoritative certificates, such as GIA and IGI. The certificate records all the indexes of the diamond in detail, which provides a reliable basis for identification.
2, the fire color of the diamond: a good diamond will produce bright fire color and shining effect under the light. Observe the flash and reflection of diamonds from different angles to understand their optical properties.
3. Trustworthy gemstone appraiser: If you buy expensive diamonds, you can ask a professional gemstone appraiser for appraisal. They can evaluate the quality and value of diamonds through professional equipment and experience.
The development of diamonds:
As early as around 4000 BC, India began to mine and use diamonds. Diamonds were used as decorations in ancient times and were often embedded in jewelry. The ancient Egyptians also had a soft spot for diamonds. They thought diamonds were a symbol of power and wealth. /kloc-in the 0/8th century, a large number of diamond deposits were discovered in Brazil. This has greatly increased the supply of diamonds, and the price has dropped accordingly, so ordinary people can also afford diamond ornaments.
19 19, De Beers Diamond Company was established. It launched the famous advertising slogan "Diamonds are eternal", and successfully linked diamonds with marriage and love through advertising and marketing, further promoting the sales of diamonds. With the development of science and technology, synthetic diamond technology has gradually matured. Synthetic diamonds are more and more close to natural diamonds in quality and appearance, becoming a more economical choice.
Today, diamonds still enjoy a high reputation in the jewelry industry and are widely used in wedding, jewelry and other fields. At the same time, sustainable diamonds aimed at protecting the natural environment and avoiding the problem of blood diamonds have gradually emerged, providing consumers with more choices.