1 Carat Round natural diamonds

Every 1 carat round natural diamond Facet Wire tracks, sorted by live price.

Facet Wire is tracking 14 live 1 carat round natural listings right now across 4 retailers: With Clarity (9), Whiteflash (2), Blue Nile (2), Frank Darling (1). Prices run from $2,477 to $18,783, with a median of $4,532 ($4,208 per carat at the median). Data refreshes nightly — last build 2026-10-18.

Most popular / better value

Across these 14 listings, the most common color is J (3 stones), the most common clarity is SI1 (4 stones).

Cheapest live 1 carat round natural listings

StoneRetailerCaratColorClarityCertPrice$/ct
GIA 1.01 Carat I-SI1 Excellent Cut Round DiamondWith Clarity1.01ISI1GIA 5231852744$2,477$2,452
GIA 1.15 Carat J-VS2 Excellent Cut Round DiamondWith Clarity1.15JVS2GIA 2537667359$2,701$2,349
Natural Diamond [ID: 260418-67HK]Frank Darling1.21JVS1GIA 3555195541.0$2,704$2,235
GIA 1.15 Carat H-SI1 Excellent Cut Round DiamondWith Clarity1.15HSI1GIA 6532910030$3,181$2,766
GIA 1.29 Carat J-VS2 Excellent Cut Round DiamondWith Clarity1.29JVS2GIA 6531703752$3,763$2,917
1.02 ct I SI1 A CUT ABOVE® Hearts and Arrows Super Ideal Round Cut Loose DiamondWhiteflash1.02ISI1GIA 5231730456$3,995$3,917
GIA 1.20 Carat E-SI1 Very Good Cut Round Natural DiamondBlue Nile1.20ESI1GIA$4,268$3,557
1.04 ct H VS2 A CUT ABOVE® Hearts and Arrows Super Ideal Round Cut Loose DiamondWhiteflash1.04HVS2GIA 5232976381$4,795$4,611
GIA 1.29 Carat F-VVS2 Excellent Cut Round DiamondWith Clarity1.29FVVS2GIA 2497391094$5,820$4,512
GIA 1.29 Carat F-VVS2 Excellent Cut Round DiamondWith Clarity1.29FVVS2GIA 2497391094$5,820$4,512
GIA 1.3 Carat H-VS2 Excellent Cut Round DiamondWith Clarity1.30HVS2GIA 7532945795$5,849$4,499
GIA 1.14 Carat F-VVS1 Excellent Cut Round Natural DiamondBlue Nile1.14FVVS1GIA$9,101$7,983

Search all 1997 tracked listings →

Frequently asked questions

How much does a round natural diamond cost?

Across 14 live listings tracked by Facet Wire, round natural diamonds run from $2,477 to $18,783, with a median price of $4,532 ($4,208 per carat). The cheapest tracked right now is a 1.01 ct stone at With Clarity for $2,477.

Which retailer is cheapest for round natural diamonds?

It changes nightly — that is the point of Facet Wire. The table on this page is sorted by live price across With Clarity, Whiteflash, Blue Nile, Frank Darling, and the same certified stone often appears at several retailers with a real price gap.

Are round diamonds good value?

Round stones are priced off live market data here, not list prices. Compare the per-carat column: at the median, round natural diamonds run $4,208 per carat across our tracked retailers.

How often do these prices update?

Facet Wire re-scrapes its retailers nightly and rebuilds this page from the fresh data, so counts, medians and the cheapest listings reflect the latest run.