1 Carat Round Natural Diamonds

Compare round natural 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 natural diamond

H · I2 · Good · IGI 743559155

Last checked November 3, 2026 at 04:00 UTC

1.06 ct Round natural diamond

H · I3 · Excellent · IGI 743559096

Last checked November 3, 2026 at 04:00 UTC

1.04 ct Round natural diamond

I · I2 · Very Good · IGI 743559095

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

H · I2 · Very Good · IGI 743559091

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

H · I2 · Very Good · IGI 743559090

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

J · I1 · Excellent · IGI 811694551

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

G · I2 · Excellent · IGI 743559089

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

K · I1 · Very Good · IGI 542222227

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

F · I2 · Very Good · IGI 743559157

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

K · SI2 · Very Good · GIA 2235732094

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

G · I2 · Approximate listing match; verify report details

Last checked November 3, 2026 at 04:00 UTC

1.03 ct Round natural diamond

F · VVS1 · Ideal · GIA 0SV0Z0

Last checked November 3, 2026 at 02:30 UTC

1.00 ct Round natural diamond

L · I1 · Excellent · IGI 634413641

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

L · I1 · Good · IGI 692535377

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

L · I1 · Excellent · IGI 634413611

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

K · I1 · Very Good · IGI 555278136

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

O · SI2 · Good · Certificate unavailable; verify with retailer

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

F · I1 · Good · IGI 654462954

Last checked November 3, 2026 at 04:00 UTC

1.01 ct Round natural diamond

L · I1 · Ideal · IGI 555278143

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

K · I1 · Very Good · IGI 668405930

Last checked November 3, 2026 at 04:00 UTC

1.00 ct Round natural diamond

L · I1 · Very Good · IGI 671474718

Last checked November 3, 2026 at 04:00 UTC

Comparing 1 carat round natural 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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