The markup on engagement rings can easily be 300% over wholesale costs, so there's plenty of wiggle room when it comes to negotiating a lower price, says Matlins.
订婚戒指的利润很多都高达成本的300%，所以有很大的讨价还价的余地，Matlins说。
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Few are round and few are a lovely color, so this is rare, " said gemologist Antoinette Matlins. "I think they have found something precious and lovely and valuable. "