10/23/2026
Lab-grown diamonds are 100% real diamonds. They have the exact same chemical composition (pure carbon in a crystal lattice), physical hardness (10 on the Mohs scale), and optical brilliance as natural, earth-mined diamonds.
Key Facts & Industry Quotes
• Scientific & Legal Status: The Federal Trade Commission (FTC) officially classifies lab-grown diamonds as real diamonds because they share identical properties to mined stones.
• Gemological Grading: Major grading bodies like the Gemological Institute of America (GIA) and the International Gemological Institute (IGI) grade lab-grown diamonds using the exact same 4Cs (Cut, Color, Clarity, Carat).
• Cost Difference: Lab-grown diamonds typically cost 60% to 85% less than natural diamonds of comparable quality, with 1-carat lab stones generally running $1,000 to $3,000 compared to $4,000 to $10,000 for mined stones.
• Market Shift: Lab-grown stones have surged in popularity, making up over 45% of all U.S. engagement ring purchases.
