Updated as of June 2026
Black Diamond vs Diamond
| Black Diamond | Diamond | |
|---|---|---|
| Price / carat | $200 to $3,000 | $1,000 to $15,000 |
| Hardness (Mohs) | 10 | 10 |
| Color | Black | Colorless, Yellow, Brown, Pink, Blue |
| Treatment | Irradiation or heat (most stones treated black) | Typically untreated |
The bottom line
Black Diamond and 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 Diamond.
Frequently asked questions
Is Black Diamond or Diamond more durable?
Both rate Mohs 10, so they are comparably durable.
Which is cheaper, Black Diamond or Diamond?
Black Diamond runs about $200 to $3,000 per carat and Diamond about $1,000 to $15,000 per carat, so Black Diamond is usually the more affordable choice.
Which should I choose?
Pick Black Diamond if you want black tones and Diamond if you prefer colorless. Match the stone hardness to how you will wear it and let budget break the tie.