Updated as of June 2026
Black Diamond vs Lab-Grown Diamond
| Black Diamond | Lab-Grown Diamond | |
|---|---|---|
| Price / carat | $200 to $3,000 | $400 to $3,000 |
| Hardness (Mohs) | 10 | 10 |
| Color | Black | Colorless, Fancy colors |
| Treatment | Irradiation or heat (most stones treated black) | HPHT or CVD growth |
The bottom line
Black Diamond and Lab-Grown Diamond both make beautiful jewelry. Choose by the look you want first, then weigh hardness against how hard you will wear the piece, and let price settle close calls. Read the full guides for Black Diamond and Lab-Grown Diamond.
Frequently asked questions
Is Black Diamond or Lab-Grown Diamond more durable?
Both rate Mohs 10, so they are comparably durable.
Which is cheaper, Black Diamond or Lab-Grown Diamond?
Black Diamond runs about $200 to $3,000 per carat and Lab-Grown Diamond about $400 to $3,000 per carat, so Lab-Grown Diamond is usually the more affordable choice.
Which should I choose?
Pick Black Diamond if you want black tones and Lab-Grown Diamond if you prefer colorless. Match the stone hardness to how you will wear it and let budget break the tie.