AU750, or 18 karat gold, is an alloy with at least 75% gold content.
Alloys with at least 75 percent gold content in 18-karat gold and 25 percent other precious metals, such as platinum, nickel, silver, palladium, etc.
18K gold is a kind of gold decoration with relatively low cost and more comfortable to wear.
18K gold jewelry not only has the precious value of gold, but also has the advantages of strong ductility, high hardness and changeable color.
It is used in the design of jewelry, because of its large hardness and strong ductility, even if it is made into a necklace, it is not easy to fracture.
And 18k gold jewelry is not easy to wear, glossiness can also be maintained for a long time.
18-karat gold has some value compared to regular gold, but it costs less, so most people can buy it.
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