Lab-Grown Diamond Prices - March 2025

The lab-grown diamond market for round diamonds in the 1.00–1.19 carat range in March 2025 revealed dynamic pricing trends across clarity and color categories. These shifts highlight the evolving interplay of consumer demand, manufacturing trends, and competitive pressures within the lab-grown diamond market.

Premium Grades

Flawless lab-grown diamonds exhibited mixed performance in March. D/FL clarity diamonds saw a modest increase, rising from $794 in February to $808 in March, reflecting stable demand for flawless lab-grown diamonds. Conversely, D/IF clarity diamonds remained relatively flat, moving from $619 to $621, indicating consistent interest in internally flawless options despite broader market adjustments.

Mid-Range Grades

The mid-range clarity categories experienced notable fluctuations. F/VVS1 clarity diamonds declined slightly from $515 in February to $498 in March, reflecting a cooling in demand for high-clarity diamonds within this tier. However, G/VVS2 clarity diamonds saw an increase, rising from $584 to $617, suggesting selective purchasing patterns among consumers seeking value in premium mid-range options.

Lower Grades

The lower-tier clarity grades faced contrasting trends. J/SI1 diamonds experienced a sharp decline, dropping from $1,091 in February to $1,038 in March, pointing to reduced demand in this segment. Meanwhile, K/SI2 diamonds remained stable at $1,272, reflecting steady interest in lower-grade lab-grown diamonds.

Popular Diamond Shapes