Updated as of June 2026
Round Lab-Grown Diamond
The round cut suits Lab-Grown Diamond well: the most popular and most brilliant cut, engineered to maximize sparkle. Chemically identical to a mined diamond but grown in a lab, offering the same brilliance and hardness at a lower price and with a clearer origin story.
Why the round cut works for Lab-Grown Diamond
The most popular and most brilliant cut, engineered to maximize sparkle. Lab-Grown Diamond has the brightness to carry a round brilliant cut and throw plenty of light. At Mohs 10, Lab-Grown Diamond holds a crisp round outline and stands up to everyday wear. Treatment to expect: hpht or cvd growth.
Other Lab-Grown Diamond cuts
Oval Lab-Grown DiamondEmerald Cut Lab-Grown DiamondCushion Lab-Grown DiamondPrincess Lab-Grown DiamondPear Lab-Grown Diamond
More on this stone: Lab-Grown Diamond overview, price guide, and the round cut guide across stones.
Frequently asked questions
Does Lab-Grown Diamond look good in a round cut?
Yes. Lab-Grown Diamond has the brightness to carry a round brilliant cut and throw plenty of light. It is hard enough to hold a crisp outline.
How much does a round Lab-Grown Diamond cost?
Lab-Grown Diamond runs about $400 to $3,000 per carat. Shape affects price modestly, with round usually the slight premium.
What setting suits a round Lab-Grown Diamond?
Lab-Grown Diamond pairs well with platinum, white gold, yellow gold, rose gold. A halo adds sparkle and size.