Gems by Hardness (Mohs Scale)

Explore gemstones organized by their hardness on the Mohs scale

The Mohs scale of mineral hardness measures resistance to scratching, ranging from 1 (softest) to 10 (hardest).

Extremely Hard (10)

Gem Type Mohs Hardness Investment Ranking Tier
Diamond 10 MODERATELY BULLISH

Very Hard (8.5-9.99)

Hard-2 (8.0-8.49)

Hard-1 (7.5-7.99)

Medium-2 (7.0-7.49)

Medium-1 (6-6.99)

Soft (3-5.99)