CaratRadar

Round Cut Natural Diamonds

How much does a round cut natural diamond cost? As of March 2026, the market average is about $7,004.Prices for the last month are down -1.3%.Prices typically range from $221 to $1,039,450 depending on carat, color, clarity, and cut quality.

Prices by Carat Weight

CaratAvg PriceMedian Price1M TrendOffers
0.3ct$558$545-1.9%View All 1,079 Offers
0.4ct$702$676-1.5%View All 5,311 Offers
0.5ct$902$852-1.5%View All 13,562 Offers
0.6ct$1,217$1,095-1.4%View All 11,240 Offers
0.7ct$1,646$1,529-1.4%View All 9,200 Offers
0.8ct$2,250$2,030-1.3%View All 5,553 Offers
0.9ct$2,954$2,598-1.5%View All 4,472 Offers
1ct$4,167$3,679-1.0%View All 10,341 Offers
1.1ct$4,866$4,225-1.0%View All 5,878 Offers
1.2ct$5,343$4,590-1.0%View All 4,435 Offers
1.3ct$6,785$5,713-0.9%View All 2,379 Offers
1.4ct$8,348$7,292-1.0%View All 929 Offers
1.5ct$8,316$7,434-1.0%View All 4,946 Offers
1.6ct$10,474$9,606-1.5%View All 1,575 Offers
1.7ct$11,760$10,779-1.1%View All 2,172 Offers
1.8ct$14,415$13,330-1.3%View All 1,100 Offers
1.9ct$16,051$14,595-1.8%View All 508 Offers
2ct$13,749$12,188-1.4%View All 2,605 Offers
2.1ct$15,163$14,376-2.9%View All 974 Offers
2.2ct$19,116$17,389-1.6%View All 659 Offers
2.3ct$22,389$19,554-0.7%View All 419 Offers
2.4ct$21,821$20,996-1.9%View All 223 Offers
2.5ct$25,134$24,968-4.3%View All 1,305 Offers
2.6ct$20,602$19,015-2.6%View All 359 Offers
2.7ct$28,245$28,686-1.3%View All 384 Offers
2.8ct$28,670$30,568-2.3%View All 254 Offers
2.9ct$25,343$15,572-3.0%View All 177 Offers
3ct$26,987$26,475-1.9%View All 1,762 Offers
3.1ct$23,004$2,785-3.6%View All 452 Offers
3.2ct$38,298$37,290-2.6%View All 213 Offers
3.3ct$43,505$44,013-1.2%View All 156 Offers
3.4ct$44,675$41,546-2.1%View All 87 Offers
3.5ct$35,049$34,228-1.9%View All 374 Offers

Featured Round Natural Diamonds

See All Matching Offers

Showing up to 50 of 96,988 listings.

0.3ct | Round | K | SI2 | GoodGIA
Save 19.2%

0.3ct | Round | K | SI2 | Good

From $221

Compare at $274

2 stores
0.3ct | Round | L | SI2 | ExcellentGIA
Save 19.5%

0.3ct | Round | L | SI2 | Excellent

From $222

Compare at $275

2 stores
0.31ct | Round | L | VS2 | ExcellentGIA
Save 20.6%

0.31ct | Round | L | VS2 | Excellent

From $250

Compare at $314

2 stores
0.31ct | Round | L | SI1 | IdealGIA
Save 20.2%

0.31ct | Round | L | SI1 | Ideal

From $256

Compare at $321

2 stores
0.33ct | Round | I | SI2 | ExcellentGIA
Save 19%

0.33ct | Round | I | SI2 | Excellent

From $257

Compare at $317

2 stores
0.4ct | Round | L | SI2 | ExcellentGIA
Save 29.6%

0.4ct | Round | L | SI2 | Excellent

From $257

Compare at $365

2 stores
0.4ct | Round | L | SI1 | Very GoodGIA
Save 21%

0.4ct | Round | L | SI1 | Very Good

From $259

Compare at $328

2 stores
0.4ct | Round | L | SI2 | Very GoodGIA
Save 21%

0.4ct | Round | L | SI2 | Very Good

From $259

Compare at $328

2 stores
0.4ct | Round | L | SI2 | ExcellentGIA
Save 21%

0.4ct | Round | L | SI2 | Excellent

From $259

Compare at $328

2 stores
0.32ct | Round | I | SI1 | ExcellentGIA
Save 21.1%

0.32ct | Round | I | SI1 | Excellent

From $260

Compare at $330

2 stores
0.4ct | Round | I | SI2 | IdealGIA
Save 30%

0.4ct | Round | I | SI2 | Ideal

From $261

Compare at $373

2 stores
0.4ct | Round | I | SI2 | ExcellentGIA
Save 29.1%

0.4ct | Round | I | SI2 | Excellent

From $261

Compare at $368

2 stores
0.4ct | Round | I | SI2 | ExcellentGIA
Save 31.2%

0.4ct | Round | I | SI2 | Excellent

From $261

Compare at $379

2 stores
0.4ct | Round | L | SI1 | IdealGIA
Save 19.8%

0.4ct | Round | L | SI1 | Ideal

From $261

Compare at $326

2 stores
0.4ct | Round | L | SI1 | IdealGIA
Save 19.8%

0.4ct | Round | L | SI1 | Ideal

From $264

Compare at $329

2 stores
0.32ct | Round | L | VS2 | ExcellentGIA
Save 20.2%

0.32ct | Round | L | VS2 | Excellent

From $264

Compare at $331

2 stores
0.31ct | Round | I | SI1 | IdealGIA
Save 19%

0.31ct | Round | I | SI1 | Ideal

From $265

Compare at $328

2 stores
0.31ct | Round | L | VS2 | ExcellentGIA
Save 20.2%

0.31ct | Round | L | VS2 | Excellent

From $266

Compare at $334

2 stores
0.4ct | Round | K | SI1 | Very GoodGIA
Save 18.6%

0.4ct | Round | K | SI1 | Very Good

From $266

Compare at $327

2 stores
0.4ct | Round | L | SI1 | Very GoodGIA
Save 19.8%

0.4ct | Round | L | SI1 | Very Good

From $270

Compare at $337

2 stores
0.36ct | Round | J | SI1 | ExcellentGIA
Save 18.9%

0.36ct | Round | J | SI1 | Excellent

From $273

Compare at $337

2 stores
0.42ct | Round | K | SI1 | IdealGIA
Save 27%

0.42ct | Round | K | SI1 | Ideal

From $275

Compare at $377

2 stores
0.4ct | Round | G | SI2 | GoodGIA
Save 40.9%

0.4ct | Round | G | SI2 | Good

From $278

Compare at $470

2 stores
0.4ct | Round | L | SI2 | ExcellentGIA
Save 21%

0.4ct | Round | L | SI2 | Excellent

From $289

Compare at $366

2 stores
0.4ct | Round | L | VS1 | Very GoodGIA
Save 19.7%

0.4ct | Round | L | VS1 | Very Good

From $290

Compare at $362

2 stores
0.4ct | Round | K | VS2 | ExcellentGIA
Save 62.6%

0.4ct | Round | K | VS2 | Excellent

From $292

Compare at $781

2 stores
0.44ct | Round | K | SI2 | IdealGIA
Save 34.5%

0.44ct | Round | K | SI2 | Ideal

From $292

Compare at $446

2 stores
0.41ct | Round | L | SI1 | IdealGIA
Save 18.8%

0.41ct | Round | L | SI1 | Ideal

From $295

Compare at $363

2 stores
0.34ct | Round | K | VS1 | ExcellentGIA
Save 21.3%

0.34ct | Round | K | VS1 | Excellent

From $295

Compare at $375

2 stores
0.34ct | Round | K | SI1 | IdealGIA
Save 21.3%

0.34ct | Round | K | SI1 | Ideal

From $295

Compare at $375

2 stores
0.4ct | Round | J | SI1 | ExcellentGIA
Save 19.7%

0.4ct | Round | J | SI1 | Excellent

From $298

Compare at $371

2 stores
0.4ct | Round | G | SI2 | GoodGIA
Save 37.9%

0.4ct | Round | G | SI2 | Good

From $298

Compare at $480

3 stores
0.35ct | Round | E | SI2 | ExcellentGIA
Save 19.4%

0.35ct | Round | E | SI2 | Excellent

From $298

Compare at $370

2 stores
0.44ct | Round | I | SI2 | ExcellentGIA
Save 36.5%

0.44ct | Round | I | SI2 | Excellent

From $299

Compare at $471

2 stores
0.42ct | Round | K | VS2 | IdealGIA
Save 59.9%

0.42ct | Round | K | VS2 | Ideal

From $301

Compare at $750

2 stores
0.42ct | Round | L | SI1 | IdealGIA
Save 16.3%

0.42ct | Round | L | SI1 | Ideal

From $302

Compare at $361

2 stores
0.33ct | Round | K | VS2 | ExcellentGIA

0.33ct | Round | K | VS2 | Excellent

From $306

Compare at $328

2 stores
0.43ct | Round | K | SI2 | IdealGIA
Save 13.5%

0.43ct | Round | K | SI2 | Ideal

From $306

Compare at $354

2 stores
0.46ct | Round | J | SI1 | ExcellentGIA
Save 22.9%

0.46ct | Round | J | SI1 | Excellent

From $307

Compare at $398

2 stores
0.34ct | Round | J | SI1 | ExcellentGIA
Save 21%

0.34ct | Round | J | SI1 | Excellent

From $308

Compare at $389

2 stores
0.33ct | Round | K | VS1 | IdealGIA

0.33ct | Round | K | VS1 | Ideal

From $308

Compare at $328

2 stores
0.4ct | Round | K | SI1 | IdealGIA

0.4ct | Round | K | SI1 | Ideal

From $310

Compare at $338

2 stores
0.4ct | Round | K | SI2 | Very GoodGIA
Save 14.5%

0.4ct | Round | K | SI2 | Very Good

From $310

Compare at $363

2 stores
0.35ct | Round | K | VS2 | ExcellentGIA

0.35ct | Round | K | VS2 | Excellent

From $312

Compare at $328

2 stores
0.32ct | Round | J | VS2 | ExcellentGIA

0.32ct | Round | J | VS2 | Excellent

From $312

Compare at $326

2 stores
0.38ct | Round | E | SI2 | IdealGIA

0.38ct | Round | E | SI2 | Ideal

From $312

Compare at $326

2 stores
0.4ct | Round | J | SI1 | Very GoodGIA
Save 58.4%

0.4ct | Round | J | SI1 | Very Good

From $313

Compare at $752

3 stores
0.33ct | Round | K | VS1 | IdealGIA

0.33ct | Round | K | VS1 | Ideal

From $314

Compare at $328

2 stores
0.33ct | Round | J | SI1 | ExcellentGIA

0.33ct | Round | J | SI1 | Excellent

From $315

Compare at $328

2 stores
0.32ct | Round | J | SI1 | ExcellentGIA

0.32ct | Round | J | SI1 | Excellent

From $316

Compare at $326

2 stores
View All 96,988 Offers

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