Carat (Carat), as a unit of weight, originated from the seeds of a carob tree on the Mediterranean side of Europe. The carob tree has a peculiar phenomenon. No matter where it grows, the fruit it produces has the same weight. This kind of fruit has been used in history as a measure of carat (Carat) as a unit of weight, which originated from the seeds of a carob tree in the Mediterranean Sea of u200bu200bEurope. The carob tree has a peculiar phenomenon. No matter where it grows, the fruit it produces has the same weight. In history, this kind of fruit has been used as a weight to measure weight, and over time it has become a unit of weight, which is used to weigh precious and delicate objects. Until 1907, it was agreed internationally as the unit of measurement for gemstones, and it is still in use today. So how many grams is a carat? The calculation of industry units is as follows: Conversion of industry units: 1 gram (g)u003d5 carats (ct) 1 carat (ct)u003d0.2g(g) 1 carat (ct)u003d100 points (point) point u003d0.01 carat (ct) 1 carat (ct)u003d4 grains (gr) 1 grain (gr)u003d0.25 carats (ct) 1 kilogram (kg)u003d32.15 troy ounces (oz.tr) 1g u003d0.03215 ounces (oz.tr) 1 troy ounce (oz.tr)u003d31.1035 grams (g) 1 troy ounce (oz.tr)u003d480 grains (gr) In the international diamond market, the weight of diamonds is usually a decimal point For the last two, the third one is rounded every nine, not rounding. Domestic testing agencies are accustomed to reserve three digits. That is to say, if a diamond weighs 0.599ct, it will be marked as 0.60ct on the international certificate, while the domestic certificate is 0.599ct. The price is usually in tenths: 20-29 points, 50 -59 points. For integer scores, there is a phenomenon of'carat premium' between the prices of diamonds. Even if there is only a difference of 1 point, 99 points are far from the price of 1ct diamonds. The above is the information summarized by the author about how many grams one carat is equal to. The information comes from the Internet. If there is something wrong, please understand. If you need to set, please pay attention to the official website of jewelry inlay. Jewelry inlay is waiting for your inquiry!