1. Consignment and auction: diamonds can be consigned to jewelry stores or auctioned and sold to interested buyers. Auction and consignment can be completed through professional jewelry auction houses or platforms. These channels can help to find potential buyers and get better market prices for diamonds.
2. Look for other jewelry stores or platforms: Look for other jewelry stores or online platforms to find out whether you can buy back the diamonds you own. You can consult them about the repurchase policy and find the best way to buy back.