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Click any cell in the table to see 12 different size categories and 12 different shape prices searchable by color and clarity.
The natural diamond market in May 2025 revealed significant pricing trends across clarity and color categories, driven by evolving consumer preferences, intensified competition from lab-grown diamonds, and shifting market conditions. This month’s insights highlight a complex environment, presenting both opportunities and challenges across premium, mid-range, and budget-friendly diamond grades.
Premium diamonds saw mixed results in May. D/FL clarity diamonds rose significantly from $12,353 in April to $13,218, signaling strong demand for flawless stones. D/IF clarity also improved slightly, moving to $12,964 from $12,472. However, E/FL clarity diamonds showed modest growth, increasing just $115 to $10,789. F/VVS1 diamonds rebounded from their previous dip, rising to $8,539 from $8,326. These trends suggest selective consumer interest, with flawless and near-flawless categories performing well.
The mid-range market showed steady performance. G/VVS2 diamonds increased slightly from $6,191 to $6,363, while H/VS1 clarity stones recovered to $4,755 from $4,509. F/VVS2 diamonds, however, dipped marginally to $7,349 from $7,153. Overall, this segment continues to attract value-focused buyers, with stable demand for popular clarity and color combinations.
Lower-tier diamonds remain under pressure but showed slight recovery in some areas. J/SI1 diamonds rose to $2,333 from $2,233, and K/SI2 diamonds edged up to $1,897 from $1,888. However, I/SI1 diamonds declined slightly to $3,251, reflecting ongoing challenges in this segment, particularly from competition with lab-grown diamonds.
May’s trends highlight selective growth in premium categories and stability in mid-range grades, offering opportunities for retailers to focus on targeted marketing and inventory strategies. Lower-grade diamonds continue to face challenges, emphasizing the need to diversify offerings with lab-grown or value-focused options to meet shifting consumer preferences.
In our latest analysis of the Top 5 Popular Natural Diamond Shapes from April to May 2025, the natural diamond market revealed significant shifts in shape preferences, reflecting evolving consumer behavior.
Round diamonds strengthened their dominance, increasing from 51.97% to 62.44% (+10.47%), driven by their brilliance and versatility. Oval diamonds rose from third to second place, with a modest increase from 10.24% to 10.91% (+0.67%), maintaining their appeal for modern designs. Pear-shaped diamonds entered the Top 5 in May at 6.45%, reflecting growing demand for distinctive and bold shapes.
Emerald diamonds declined from 9.12% to 6.08% (-3.04%), while Cushion diamonds experienced the largest drop, falling from 10.83% to 4.92% (-5.91%), signaling a shift away from traditional, vintage-inspired designs.
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