Larger natural diamonds retain per-carat premium over lab-grown stones, analysis finds
business
A large-scale analysis of online diamond sales, published in the International Journal of Electronic Marketing and Retailing, finds that natural diamonds maintain a per-carat price advantage over lab-grown diamonds. This pricing gap suggests they should be treated as distinct market segments.
Source: https://phys.org/news/2026-08-larger-natural-diamonds-ret...
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