Updated as of June 2026
Lab-Grown Diamond price and value
What drives Lab-Grown Diamond value
The biggest price levers are color saturation and cut, followed by clarity and carat weight. A well cut, vividly colored stone of modest size often beats a larger dull one. Note that lab-grown diamond is commonly treated (hpht or cvd growth, post-growth color treatment (some stones)), and untreated stones command a premium.
How to buy Lab-Grown Diamond without overpaying
Buy from a seller that states treatment and origin, ask for a lab report on higher-value stones, and compare the same carat and color across two or three retailers before committing.
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Frequently asked questions
How much is Lab-Grown Diamond per carat?
Lab-Grown Diamond generally costs $400 to $3,000 per carat. Top color and clarity push toward the high end, while included or pale stones sit lower.
Is Lab-Grown Diamond a good value?
Lab-Grown Diamond can be excellent value when you prioritize color and cut over carat weight. Always compare a certified stone against an uncertified one before deciding.
Why does Lab-Grown Diamond price vary so much?
Color saturation, clarity, cut quality, carat weight, origin, and treatment all move the price. Common treatments for this stone: HPHT or CVD growth, Post-growth color treatment (some stones).