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|  Lab Diamond Wholesale Prices Fall 37% in Q3 2025, According to Diamond Industry Analyst Edahn GolanLab diamond wholesale prices declined again. According to the latest price list, the price declines came as lab diamond makers are actively pursuing a new business model.
The largest price declines were seen in three-carat rounds, which plummeted 43% year over year. Price Anomalies Technically, lab diamonds are two distinct products with two different origins. One is created using the more expensive Chemical Vapor Deposition (CVD) technology, mostly in India. The alternate technology, called High Pressure High Temperature (HPHT), is almost solely produced in China and is cheaper to produce. The smaller, better color/clarity lab-grown diamonds are predominantly HPHT. As a result, better color/clarity one-carat rounds are currently trading at a lower wholesale price than lower color/clarity CVD stones. Usually, it's the other way around. This is something retailers should be aware of. Other current price trends include price hikes. This is not entirely new, although it is more common than it was previously. This is especially noticeable in fancy forms, where one-carat oval shapes are in high demand, driving prices up 3% compared to Q2 2025. See the price list here: https://bit.ly/ About the LGD Wholesale Price List The LGD Wholesale Price List was launched in October 2018 in response to requests from diamond industry companies to track and understand lab-grown diamond wholesale pricing. The price list is based on actual transaction prices for larger certified lab-grown diamonds in nice makes. Prices are for small volume purchases. The bulk of lab-grown diamonds weighing two carats or more are CVD. Goods under two carats include CVD and HPHT, with HPHT-made LGDs trading at a discount compared to CVD-made LGDs. More on lab diamonds can be found here: https://www.edahngolan.com/ About Edahn Golan Edahn Golan is a diamond industry analyst. With 25 years of experience in the field, he specializes in a wide range of topics relating to this industry. His diamond analytics ranges from rough diamond pricing to diamond consumer behavior, including how the diamond market operates, the economics of manufacturing, and the impact of lab-grown diamonds on the industry. End
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