Don't buy a custom diamond ring after paying the deposit, and you don't have to pay the final payment. According to relevant information, the deposit will be paid in accordance with the regulations when customizing the diamond ring. If the buyer breaches the contract, the deposit cannot be returned, but the final payment does not need to be paid by the buyer. After customizing the diamond ring, if the buyer doesn't want the diamond ring, he will enter the relevant jewelry store for sale.