Lab-grown Diamonds vs. Mined Diamonds

The comparison between lab-grown diamonds (LGD) and mined diamonds

Formation Process

Lab Grown Diamonds: Grown in a Lab

Mined Diamonds: Formed Naturally

Composition

Lab Grown Diamonds: Pure carbon

Mined Diamonds: Pure carbon with a few traces of nitrogen.

CRYSTAL STRUCTURE

Both types have a cubic crystal structure.

HARDNESS (MOHS SCALE)

LGD and mined diamonds both have a hardness of 10, making them the hardest known materials.

REFRACTIVE INDEX

The refractive index for Both is 2.42

DENSITY (g/cm³)

The density remains consistent at 3.52 g/cm³ for both types.

COLOR

Both are available from colourless to fancy.

CLARITY

Both can exhibit clarity from flawless to grade I.