Updated as of June 2026
Princess Black Diamond
A princess cut is a sharp square brilliant, modern and very sparkly. In Black Diamond (black, Mohs 10) it keeps the color crisp and bright.
Why the princess cut works for Black Diamond
A sharp square brilliant, modern and very sparkly. Black Diamond reads more for color than fire, so a princess cut is about shape and color rather than sparkle. At Mohs 10, Black Diamond holds a crisp princess outline and stands up to everyday wear. Treatment to expect: irradiation or heat (most stones treated black).
Other Black Diamond cuts
Round Black DiamondOval Black DiamondEmerald Cut Black DiamondCushion Black DiamondPear Black Diamond
More on this stone: Black Diamond overview, price guide, and the princess cut guide across stones.
Frequently asked questions
Does Black Diamond look good in a princess cut?
Yes. Black Diamond reads more for color than fire, so a princess cut is about shape and color rather than sparkle. It is hard enough to hold a crisp outline.
How much does a princess Black Diamond cost?
Black Diamond runs about $200 to $3,000 per carat. Shape affects price modestly, with round usually the slight premium.
What setting suits a princess Black Diamond?
Black Diamond pairs well with white gold, platinum, yellow gold. A solitaire keeps it simple.