The latest gold recovery price is 357.2 yuan/gram, and the price of 3D hard gold is based on gold price plus process fee. Because 3D hard gold is technically more expensive than original gold jewelry, the process cost is about 60% higher than ordinary gold jewelry. At present, the sales price of 3D hard gold is generally the same price, mainly to cover up its high and different standards.

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The advantage of 1. hard pure gold is that it is four times harder than ordinary gold, and the hardness is close to 18K, but the product itself is relatively thin, and the thickness of each product is only 0.2-0.3mm, which is hard and brittle. If the product itself breaks, there will be a hole in the process of wearing, which is almost impossible to repair. So avoid colliding with sharp hard objects when wearing, and don't artificially test the hardness and wear degree of the product itself.

2. It is expensive (mainly including the cost of the process) and cannot participate in trade-in.

3. Due to the improvement of hardness, the design and technology have been greatly liberated, and some fine and exquisite styles cannot be made of pure gold, while 3D hard gold method can make works with more meticulous workmanship and stronger artistry, and the problem of setting gems has also been solved perfectly.

Baidu Encyclopedia -3D Hard Thousands of Gold