As of 2021, the production of lab-grown diamonds using the high pressure high temperature (HPHT) method had the largest range of energy consumption, with a lower range value of ** kilowatt hours and an upper range of *** kilowatt hours of energy consumed per carat produced. Conversely, mined diamond production (natural diamonds) had the narrowest range of energy consumed, ranging from a low of ** kilowatt hours to a high of *** kilowatt hours per carat produced.
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Alicat Scientific. (September 2, 2022). Energy consumption of diamond production worldwide as of 2021, by production method (in kilowatt hours per carat) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/
Alicat Scientific. "Energy consumption of diamond production worldwide as of 2021, by production method (in kilowatt hours per carat) ." Chart. September 2, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/
Alicat Scientific. (2022). Energy consumption of diamond production worldwide as of 2021, by production method (in kilowatt hours per carat) . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/
Alicat Scientific. "Energy Consumption of Diamond Production Worldwide as of 2021, by Production Method (in Kilowatt Hours per Carat) ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 2 Sep 2022, /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/
Alicat Scientific, Energy consumption of diamond production worldwide as of 2021, by production method (in kilowatt hours per carat) ÌÇÐÄÆƽâ°æ, /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/ (last visited July 26, 2026)
Energy consumption of diamond production worldwide as of 2021, by production method (in kilowatt hours per carat) [Graph], Alicat Scientific, September 2, 2022. [Online]. Available: /statistics/1427882/diamond-production-energy-consumption-worldwide-by-type/
