Daimler said: "This is our gem testing place, although it is not the world's top identification institute, but it is not much worse, at this point, it can be said that there are few jewelry companies in the world that can compete with us." ”

Every jewelry company will have its own place to identify gemstones, and each one is different.

However, the top ones are all laboratories and private research institutes.

Internationally, there are many professional gem identification institutions.

For example, the Gübelin Gem Laboratory is currently the most authoritative institution for the identification of colored gemstones in the world, and its identification fees are also extremely high.

The Swiss Jewellery Institute is currently the most commonly used appraisal body in pearl auctions.

In terms of diamond identification, the GIA report of the Gemological Institute of America is recognized as the most authoritative and objective identification report in the world.

Lin Yi asked, "Oh, gemstone classification and evaluation? I'm very interested in this, I wonder if I can follow along and take a tour? I don't know how to grade jewelry." ”

He didn't know the specific criteria, and he only classified and graded them according to size, transparency, color, and shape.

Usually the situation is enough, but sometimes it is impossible to accurately evaluate the top treasures, because sometimes the slightest flaw will affect the value.

He didn't have the opportunity before, but now that he has the opportunity to learn, he thinks it's good to learn. Live to be old, and at the same time, you have to learn from old age.

People, of course, we must keep pace with the times!

Listening to his request, Daimler shrugged and said, "Of course, why not? Besides, you are one of the bosses of the company, and you are a much higher boss than me, who can stop you from inspecting your own things?"

In this way, the crowd walked through this level.

Before I passed through a few doors, my eyes suddenly opened up, and the transparent glass formed an isolation, and I could clearly see all the movements inside when I walked outside.

In the large room marked with the sign "No Permission to Enter Without Permission" on the glass, there are already some people waiting inside, there are a lot of electronic instruments placed there, at first glance it is high-tech, in the center of the place is placed a machine like the hospital X-ray fluoroscopy machine, but it is larger, there are many optical lenses on it.

In addition, similar to the laboratory, there were various reagents and glass tubes, triangular cups, and beakers on the table in the room, and Lin Yi only recognized a limited number of reagents, and he was not familiar with anything else.

The bodyguards carefully put the boxes on the table, and immediately several girls wearing gloves came up, carefully opened each box, sorted the contents inside, and then divided the boxes into several different experimental tables.

Then, the location of each test bench was taken over by someone there, and the gems and pearls inside were taken out and placed in the instrument for testing.

It seems like a simple matter of a little bit of testing, but the results of these gems are some data, some pictures, and then these researchers classify them again.

The later stage is the most troublesome thing!

can only say that it is not easy to do it, Lin Yi watched from the side, and felt that it might not be possible to let him do this job.

Daimler began to introduce Lin Yi to everything here.

Pointing to the instrument, he began to introduce Lin Yi.

"This is a gemstone measurement, and it can clearly capture the condition of the gemstone, beyond the condition of the inside of the gemstone, even the slightest crack can be detected. ”

Lin Yi nodded and looked at the instrument.

"This is a panoramic light rack, which is used to distinguish whether the pearls placed on the pearl are natural pearls, cultured pearls or imitation pearls, and now the world's pearls are mainly these three types. Your black pearl will go through this identification. And it's also the most important inspection step. ”

Lin Yi nodded and understood that the value gap between pearls is very large, natural and wild, artificial and natural, the value gap is simply a world of difference.

Natural black pearls are wild black pearls, which are produced by wild black lipped oysters, mostly in the atolled waters of Tahiti and French Polynesia.

The most abundant black pearls on the market today are brown to black seedless cultured pearls. China, Japan, and Australia are all developing cultivation techniques in this area, and this type of black pearl is less valuable than natural black pearls. However, because of the increasing variety of cultured seedless pearls, the value is acceptable.

The cheapest is imitation pearls made from black shells. It is produced in two ways, the first is made by coating the core of the ball with a blackened essence-de-orient film, and the second is made from a black shell made into a bead shape with a pearl luster after being thrown into the light.

That's when the instrument begins to test. Daimler said: "Look, the first step of discrimination has begun. ”

As soon as Lin Yi heard this, he instantly came to his senses, because for him, this black pearl could be endless, and of course, if he wanted to supply them in large quantities, it would still take time to develop their community.

Therefore, if you want to quickly increase the number of pearls produced, you need to manually intervene.

However, the value of artificial pearls will be much lower, so if you want artificial pearls with high value, you need some technology.

When Lin Yi was bored reading books before, he learned that there was a kind of beaded tent in ancient China, which was connected by pearls, which was very beautiful, so he had a whimsical idea and wanted to use black pearls to give it a try, but because the number of pearls needed was too large and the number of shellfish was small, he didn't do it.

So I came up with the idea of artificially implanting pearls.

But I haven't started it yet, and now when I see this test, I am immediately interested.

Although do-it-yourself pearls will not be sold in the future. But you also have to know how this pearl is identified.

"I'm going to have a good look!"

As soon as he finished speaking, the light in the closed room suddenly went out. Then the glass stand itself emitted a soft white light.

The light emitted by the glass frame envelops the black pearl in all aspects, like a shadowless lamp on the operating table in a hospital. No wonder it's called the 'Panoramic Light Stand'.

At this time, the black pearl itself exudes other colors in addition to black, which is a rich bright purple, the white light is in the outermost layer, and the inside is a black halo wrapped in bright purple, and the glass frame is now completely invisible, just like a round black pearl that exudes black, purple and white light floating in the air. The field of vision is super impactful.

It seemed to see that Lin Yi was very interested in the detection of pearls, so he stopped here to explain to Lin Yi.

Daimler pointed to the black pearls and said: "Now the main thing is to determine whether these black pearls are imitations or not, and it depends on the luster of the coated pearls." The pearlescent brilliance of imitation pearls comes from underneath a thin layer of polymer. Natural pearls, on the other hand, have not been treated, so the pearlescent shine comes from the surface of the pearl. You look at the abnormal reflection of the color on the top side of the pearl. Because of astigmatism. Imitation pearls also have a purple tinge on the top, but they are loose. They will have green or pink tones on the sides. ”