1 Carat Round Lab-Grown Diamonds

Compare round lab-grown diamonds weighing 1.00–1.09 ct.

Showing up to 24 matching diamonds. Fresh listings appear first, ordered by lowest observed price. Older listings remain visible with their observation dates and require availability checks. Color, clarity and cut are unrestricted. Prices can depend on payment method; confirm terms at checkout.

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24 matching diamonds shown.

1.01 ct Round lab-grown diamond

F · SI1 · Ideal · IGI 793635404

Last checked November 3, 2026 at 09:24 UTC

1.00 ct Round lab-grown diamond

D · SI1 · Ideal · IGI 762519539

Last checked November 3, 2026 at 09:24 UTC

1.00 ct Round lab-grown diamond

D · SI1 · Ideal · IGI 778636066

Last checked November 3, 2026 at 09:24 UTC

1.00 ct Round lab-grown diamond

D · SI1 · Ideal · IGI 778637067

Last checked November 3, 2026 at 09:24 UTC

1.01 ct Round lab-grown diamond

D · SI1 · Ideal · IGI 706522401

Last checked November 3, 2026 at 09:24 UTC

1.00 ct Round lab-grown diamond

E · SI1 · Excellent · IGI 842651305

Last checked November 3, 2026 at 03:24 UTC

1.00 ct Round lab-grown diamond

D · SI1 · Ideal · IGI 838647720

Last checked November 3, 2026 at 09:24 UTC

Comparing 1 carat round lab-grown diamonds

Carat measures weight. Compare measurements and cut as well as color and clarity before choosing a stone. A shared grading certificate identifies the same diamond across sellers; approximate matches require verification.

This page uses 1.00–1.09 ct to keep results close to 1 carats. Use the live search to change the range or filter grades.

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