Larger natural diamonds retain per-carat premium over lab-grown stones, analysis finds

Automated news aggregation. Headlines and summaries are gathered from public feeds; see our editorial standards for sourcing, corrections, and AI-assist disclosure.

Natural diamonds consistently command higher prices per carat than laboratory-grown synthetic diamonds, according to a large-scale analysis of online diamond sales published in the International Journal of Electronic Marketing and Retailing. This perhaps unsurprising finding suggests that the two products should be treated as distinct market segments.