Reuters/ Yuriko Nakao
- A surge in demand for lab-grown stones has weakened a key corner of the diamond market, Bloomberg reported.
- Diamond demand has softened since the pandemic, but the rough-diamond market has seen sharp price drops.
- Prices for synthetic stones have seen bigger discounts as well.
The rising popularity of choosing lab-grown stones for engagement rings is cutting into the market for one of the world's most popular type of rough diamonds, according to a Bloomberg report.