1 carat

1 Carat Lab-Grown Diamond Price in 2026: $500 to $1,200, and What Moves It

A 1 carat round lab-grown diamond at G color, VS1 clarity and Excellent cut costs $500–$1,200 in 2026 from major online retailers. Here is the verified range by shape, what pushes a stone to either end, and where the lowest prices were.