In addition, since 25% of AU750 is made of other metals, it can also be made into different colors, such as white, light yellow and pink (rose gold). The price of Au750 is not very expensive either, but because its selling point is craft style. Therefore, Au750 is also sold by piece, and the price is higher after making beautiful craft gold and lottery money. The disadvantage of Au750 is that it will dull when worn for a long time. It usually takes about two years. Jintaifu Diamond pursues simplicity and fashion, and creates jewelry with oriental cultural and artistic colors.
Au is the symbol of the chemical element of gold, and the content of 750 refers to 750 thousandths, pure gold is 24K, and 750 thousandths of 24K is 18K. Many rings and pendants will be engraved with AU750, which is 18k gold, containing 75% gold. So the symbol marked 750, regardless of the previous symbols, is 18K, 18 divided by 24 equals 75%, and 24k gold is pure gold.
Au750 refers to an alloy containing 75% gold and 25% other metals, commonly known as 18K gold. Usually used to make jewelry, the imprint is G 18K, G750 or Au750 "where G represents gold content".
"18K" (or au750) jewelry refers to a kind of jewelry with pure gold content of 18, that is, 75% gold plus 25% other metal alloys (such as silver, palladium, zinc, nickel, etc. ). 18K gold ornament not only has the precious value of gold, but also has the advantages of strong ductility, high hardness and changeable colors due to its perfect composition ratio.
The gold content of 18K gold is the general specification of jewelry, and the state stipulates that gold jewelry below 9K cannot be called gold jewelry. Some gold ornaments are marked with words, which stipulate that pure gold-the gold content is not less than 99%, and thousands of gold-the gold content is more than 99.9%. China has regulations on the imprint and identification card of gold products, generally requiring the manufacturer's code, material name, content imprint, etc. Products without marks are unqualified. The same is true internationally. But for some very small products, it is also allowed to be unmarked. The gold seal of 18K is generally AU750, 18K or G750.
That's basically it. It's true. This is very valuable.