Everyone knows that gems are measured in “carats”, и 1 gram is equivalent to 5 carats (Ct). A 1 carat round brilliant diamond with a diameter of approximately 6.3 да 6.5 мм.
Като цяло, the price of gemstones is calculated in carats. Например, if a ruby weighs 5 carats, the total price is 55,000 RMB. Consumers need to pay attention to this: Merchants offer prices in carats, not just one carat. Don’t think of one carat as one!
Although the price of a gemstone is absolutely related to the size of the gemstone, it is not a two-pronged sale, nor is it that the larger the purchase, the more discounts. On the contrary, as the weight of a gemstone increases, the price will increase on a geometric basis. Например, if a diamond of the same quality costs 22,000 yuan per carat, how much does it cost for 2 carats? The answer is of course not 44,000 Юан, but it may be 60,000 да 85,000 Юан, or even more. Because the bigger the gem, the rarer it is. Taking Burmese rubies as an example, the unit price of a 1 carat ruby is between 11,000 и 33,000 Юан, while the total price of a 3 carat is about 44,000 да 88,000 Юан; the unit price of a 4 carat Burmese ruby is 55,000 да 77,000 yuan per 1 carat. In RMB, the total price may be 250,000 да 308,000 RMB, and the price difference is quite large.
Като цяло, precious gems have this law, the heavier the weight, the higher the price soars. Because things are expensive, and as mining progresses, reserves are getting less and less. В допълнение, only large particles have the value of preservation and appreciation, which is easy for others to speculate.
Обаче, the weight of some gems has little relationship with the price difference of gems. Например, 1 carat and 3-5 carat topaz, basically the unit price per 1 carat does not differ too much. Usually the crystals of these gems are relatively large, the output is also large, and even the cut size and shape can be customized.
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