When is a $300 Black Diamond ring going to be worth $400?
The price of a $200 diamond ring has jumped more than $400 in the past 24 hours on a global black diamond market, according to a tweet from one user. The tweet, which was retweeted by someone named @mattwong, said: “$300 diamond ring is worth $450.$300 black diamond ring was priced $150 last night.$400 black diamond rose […]
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