Several points for buying diamonds

Although human civilization has a history of several thousand years, people have discovered and initially recognized diamonds for only a few hundred years, but the time for truly revealing the mysteries of diamonds is even shorter. Prior to this, it was only mythically religious tales of worship and fear, and it was also seen as a symbol of courage, power, status, and dignity. Nowadays, diamonds are no longer mysterious, not to mention rare royal aristocrats. It has become a popular gem that all people can have and wear.

So what should we pay attention to when buying diamond jewelry?

From the processing point of view, diamonds are processed into 58 faceted polyhedrons, each face is very smooth; reflective images will never be deformed; edges between facets and facets, straight and sharp, and multiple edges should be Strictly pay at one point. The synthetic zirconia, because of the low price, the hardness is not as good as the diamond, the small face is not so smooth, the edges are more sleek, and some of the edges are not strictly at one point. Looking inside the diamond with a magnifying glass, most diamonds can see black spots or white stone flowers. The interior of the synthetic cubic zirconia is very pure, and the wraps are rarely seen.

Some jewellery stores have a small instrument called a “thermal conductivity meter” that uses the high thermal conductivity of the diamond to identify the authenticity of the diamond. When the thermal conductivity meter is small against the surface of the diamond, if it is a real diamond, it will give off a "pleasing", "drop", "drop" sound that is very pleasing to the ear, and the fake drill will not be called naturally. Even if they are real diamonds, the quality is not the same, and their value will be very different. When evaluating, we must pay attention to the following four aspects.

The whiter the better the color diamond, the lower the price with some yellow tone. However, the rare pink diamonds and blue diamonds have extremely high value.

Clarity at a glance can see the impurities inside the diamond, that is, the next product; very careful to find a small package, it is medium; very difficult to see with a magnifying glass is the top grade.

The larger the diamond size, the higher the value, such as a small diamond 1 carat (0.2 grams), current price of about 1,500 yuan, then the same quality, there is a 1 carat heavy drill, you can sell 40,000 yuan.

The processed diamonds are mostly processed into round shapes, as well as square, heart-shaped and olive-shaped. The value of a circle is high, and the quality of processing is mainly to see if the proportion of each part is coordinated. Polished bright and so on.