2.5 Carat Round Natural Diamonds

Compare round natural diamonds weighing 2.50–2.59 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.

Run this search live

24 matching diamonds shown.

2.58 ct Round natural diamond

I1 · Certificate unavailable; verify with retailer

Last checked November 3, 2026 at 06:33 UTC

2.50 ct Round natural diamond

O · I1 · Very Good · IGI 626480656

Last checked November 3, 2026 at 06:33 UTC

2.52 ct Round natural diamond

SI1 · Certificate unavailable; verify with retailer

Last checked November 3, 2026 at 06:33 UTC

2.55 ct Round natural diamond

SI1 · Certificate unavailable; verify with retailer

Last checked November 3, 2026 at 06:33 UTC

2.59 ct Round natural diamond

SI1 · Certificate unavailable; verify with retailer

Last checked November 3, 2026 at 02:30 UTC

2.57 ct Round natural diamond

I · I3 · Ideal · IGI 743535516

Last checked November 3, 2026 at 06:33 UTC

2.52 ct Round natural diamond

G · I2 · Approximate listing match; verify report details

Last checked November 3, 2026 at 02:30 UTC

2.59 ct Round natural diamond

G · I2 · Approximate listing match; verify report details

Last checked November 3, 2026 at 02:30 UTC

2.51 ct Round natural diamond

U · SI2 · Excellent · IGI 743558848

Last checked November 3, 2026 at 06:33 UTC

2.50 ct Round natural diamond

M · SI2 · Ideal · IGI 713504029

Last checked November 3, 2026 at 06:33 UTC

2.51 ct Round natural diamond

L · SI2 · IGI 825617819

Last checked November 3, 2026 at 02:30 UTC

2.50 ct Round natural diamond

K · SI2 · IGI 825617260

Last checked November 3, 2026 at 02:30 UTC

2.52 ct Round natural diamond

K · SI2 · IGI 825617239

Last checked November 3, 2026 at 02:30 UTC

2.51 ct Round natural diamond

N · SI2 · GIA 2556643372

Last checked November 3, 2026 at 02:30 UTC

2.50 ct Round natural diamond

N · SI1 · GIA 6551683317

Last checked November 3, 2026 at 02:30 UTC

2.51 ct Round natural diamond

Q-R · SI2 · Ideal · GIA 55569771150

Last checked November 3, 2026 at 06:33 UTC

Comparing 2.5 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 2.50–2.59 ct to keep results close to 2.5 carats. Use the live search to change the range or filter grades.

Related diamond searches