Some platinum necklaces sold in JD.COM cost more than 1000 yuan, while others cost more than 3,000 yuan. What happened?

Some platinum necklaces sold in JD.COM cost more than 1000 yuan, and some cost more than 3,000 yuan, because:

1. Merchants selling jewelry in JD.COM include merchants from JD.COM and other merchants on the platform. Platinum jewelry from JD.COM is of high quality and more expensive than other merchants on the platform.

2. Different brands have different brand premiums. For brands with high brand premium, platinum is relatively expensive, while for ordinary brands, platinum is relatively cheap.

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