As of the first quarter of 2025, the retail margin for one carat diamond was 84 percent and for a three carat diamond stood at 88 percent. This indicates a highly profitable market for both categories at the end of the first quarter of 2025.
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Paul Zimnisky. (January 5, 2025). Retail margin of lab-grown diamonds worldwide from 1st quarter 2020 to 1st quarter 2025, by carat size [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/
Paul Zimnisky. "Retail margin of lab-grown diamonds worldwide from 1st quarter 2020 to 1st quarter 2025, by carat size." Chart. January 5, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/
Paul Zimnisky. (2025). Retail margin of lab-grown diamonds worldwide from 1st quarter 2020 to 1st quarter 2025, by carat size. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/
Paul Zimnisky. "Retail Margin of Lab-grown Diamonds Worldwide from 1st Quarter 2020 to 1st Quarter 2025, by Carat Size." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 5 Jan 2025, /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/
Paul Zimnisky, Retail margin of lab-grown diamonds worldwide from 1st quarter 2020 to 1st quarter 2025, by carat size ÌÇÐÄÆƽâ°æ, /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/ (last visited July 25, 2026)
Retail margin of lab-grown diamonds worldwide from 1st quarter 2020 to 1st quarter 2025, by carat size [Graph], Paul Zimnisky, January 5, 2025. [Online]. Available: /statistics/1620828/global-quarterly-lab-grown-diamond-retail-margin/
