Thank you for your answer. But there is a label without AU or G on this necklace. And this necklace is white. So I don't think it's golden. So I don't know what necklace is. Why is there no label of AU and G.
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1. 750 printed on the necklace refers to alloys containing 75%gold and 25%of other metals, commonly known as 18K gold. It is usually used to make jewelry, and the jewelry is marked as G18K, G750 or AU750. Therefore, if your jewelry is marked with AU750, it means 18K.
2, in the metal name, AU means gold. Therefore, the AU750 necklace is gold alloy. Gold alloys are made of some non -gold metal materials to pure gold, such as copper, silver, and zinc. These metals and pure gold have been blended with different proportion of gold alloys.
The AU750 on the necklace is the meaning of 75%of the gold content, and 25%of the ingredients are other metals. Therefore, the AU750 on the necklace represents gold content.
The expansion information
750 represents the gold content. AU and G are the names of gold. AU750 is a foreign language name of 18K gold, also known as G750, because white K gold cannot be beaten on the PT logo, and can only be used as the purity of gold. The mark of purity.
AU750 gold. Because other precious metals are added to gold, the AU750 gold has a relatively high hardness, has rich and varied colors and low melting points. The characteristics of hardness, high ductility, and rich colors, so AU750 gold is very suitable for various jewelry.
AU750 gold has a lot of colors, which is white, rose gold, yellow, etc. If the proportion of silver is large, the color of AU750 gold is relatively green, and the proportion of copper is large. It can be seen that AU750 gold has many different colors and high hardness compared to gold.
Reference information Baidu Encyclopedia-18K gold
The above are not clear enough! Intersection Intersection
In most cases, 750 is paired with "AU" or "G", indicating that 75%of gold contains 75%, which is the 18K gold we often say. Of course, this necklace may be white or yellow, but they are all gold -based alloy materials.
The price of 18K gold in the current market is about 200 yuan per gram. Using your "necklace number" by "200 yuan" is the price of this necklace.
The identification of platinum is PT, but PT750 is basically impossible.
italy means Italy. Many of the 18K gold and 925 silver necklaces are available. Of course, many of the Italian manufacturing processes are used in China.
So the final judgment result is that the landlord's necklace is --- K gold necklace containing 75%gold.
The professional analysis is complete, hoping to be satisfied. rnrn补充回答：如果没有Au或者G，那么有可能是一条仿金链了，这么说来价值就要低很多了，十几到几十吧，不过这只是种可能， It is recommended that you go to the nearby Golden Store to ask and see that the real thing can be more accurate.
Pay content for time limit to check for freenIn most cases, the 750 is paired with "AU" or "G", indicating that 75%of gold contains 75%, which is the 18K gold we often say. Of course, this necklace may be white or yellow, but they are all gold -based alloy materials. At present, the price of 18K gold in the market is about 200 yuan per gram. Using the "necklace number" is multiplied by "200 yuan" is the price of this necklace. The identification of platinum is PT, but PT750 is basically impossible. ITALY means Italy. Many of the 18K gold and 925 silver necklaces are available. Of course, many of the Italian production processes are used. Of course, many of them are produced in China.
Both platinum and gold are 750, which is 75%of the gold content, which is 18K gold. Italy should be the name of the producer or seller. Platinum is a PT logo. It is usually white. hope this helps.
But there is only 750 logo, no AU letter