CaratRadar

Round Cut Natural Diamonds

How much does a round cut natural diamond cost? As of April 2026, the market average is about $4,794.Prices for the last month are down -1.8%.Prices typically range from $171 to $1,174,574 depending on carat, color, clarity, and cut quality.

Prices by Carat Weight

CaratAvg PriceMedian Price1M TrendOffers
0.2ct$430$446-1.6%View All 2,904 Offers
0.3ct$460$454-1.4%View All 10,919 Offers
0.4ct$605$585-1.9%View All 22,205 Offers
0.5ct$851$790-2.1%View All 32,182 Offers
0.6ct$1,087$976-1.8%View All 10,720 Offers
0.7ct$1,441$1,291-1.6%View All 16,703 Offers
0.8ct$1,903$1,649-1.8%View All 6,827 Offers
0.9ct$2,409$2,123-2.1%View All 8,960 Offers
1ct$3,680$3,210-1.4%View All 19,880 Offers
1.1ct$4,250$3,429-1.2%View All 3,130 Offers
1.2ct$4,630$3,878-1.1%View All 4,836 Offers
1.3ct$5,853$4,793-1.0%View All 2,030 Offers
1.4ct$7,416$6,131-1.0%View All 853 Offers
1.5ct$7,303$6,296-1.5%View All 8,542 Offers
1.6ct$9,358$8,080-1.2%View All 1,069 Offers
1.7ct$10,109$8,809-1.2%View All 2,513 Offers
1.8ct$12,950$11,339-1.2%View All 1,084 Offers
1.9ct$14,736$12,857-1.1%View All 529 Offers
2ct$15,504$13,339-0.7%View All 3,835 Offers
2.1ct$19,394$16,949-0.2%View All 458 Offers
2.2ct$20,590$18,100-0.2%View All 560 Offers
2.3ct$24,314$22,032-0.2%View All 260 Offers
2.4ct$26,059$22,456-1.0%View All 133 Offers
2.5ct$25,570$23,766-0.8%View All 1,287 Offers
2.6ct$31,226$28,538-0.6%View All 138 Offers
2.7ct$32,456$30,119-0.9%View All 350 Offers
2.8ct$38,065$35,839-1.0%View All 204 Offers
2.9ct$41,262$37,969-0.5%View All 89 Offers
3ct$38,224$33,571-0.4%View All 1,431 Offers
3.1ct$49,657$40,674-0.3%View All 156 Offers
3.2ct$46,935$39,898-0.1%View All 173 Offers
3.3ct$49,510$42,101-0.2%View All 110 Offers
3.4ct$61,226$45,004+0.8%View All 46 Offers
3.5ct$45,335$39,919-0.4%View All 279 Offers

Featured Round Natural Diamonds

See All Matching Offers

Showing up to 50 of 167,212 listings.

IGI | 0.3ct | Round | K | SI1 | Very Good
Save 32.2%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $171

Compare at $252

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 31.3%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $173

Compare at $252

2 stores
IGI | 0.3ct | Round | K | SI1 | Ideal
Save 31.3%

IGI | 0.3ct | Round | K | SI1 | Ideal

From $173

Compare at $252

2 stores
IGI | 0.31ct | Round | K | SI1 | Very Good
Save 31.7%

IGI | 0.31ct | Round | K | SI1 | Very Good

From $173

Compare at $253

2 stores
IGI | 0.24ct | Round | K | VS2 | Excellent
Save 31.9%

IGI | 0.24ct | Round | K | VS2 | Excellent

From $174

Compare at $255

2 stores
GIA | 0.31ct | Round | J | I1 | Ideal
Save 11.1%

GIA | 0.31ct | Round | J | I1 | Ideal

From $176

Compare at $198

2 stores
IGI | 0.3ct | Round | K | VS2 | Excellent
Save 31.8%

IGI | 0.3ct | Round | K | VS2 | Excellent

From $176

Compare at $258

2 stores
IGI | 0.34ct | Round | K | SI1 | Excellent
Save 32.6%

IGI | 0.34ct | Round | K | SI1 | Excellent

From $177

Compare at $262

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 32.3%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $177

Compare at $261

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 32.4%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $177

Compare at $262

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 33.2%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $179

Compare at $268

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 33.3%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $180

Compare at $270

2 stores
IGI | 0.34ct | Round | K | SI1 | Excellent
Save 32.7%

IGI | 0.34ct | Round | K | SI1 | Excellent

From $182

Compare at $270

2 stores
IGI | 0.32ct | Round | K | SI1 | Excellent
Save 32.7%

IGI | 0.32ct | Round | K | SI1 | Excellent

From $182

Compare at $270

2 stores
IGI | 0.33ct | Round | K | SI1 | Very Good
Save 33.1%

IGI | 0.33ct | Round | K | SI1 | Very Good

From $182

Compare at $272

2 stores
IGI | 0.31ct | Round | K | VS2 | Excellent
Save 13.1%

IGI | 0.31ct | Round | K | VS2 | Excellent

From $183

Compare at $211

2 stores
IGI | 0.4ct | Round | K | SI1 | Excellent
Save 33.3%

IGI | 0.4ct | Round | K | SI1 | Excellent

From $185

Compare at $277

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 33.6%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $185

Compare at $279

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 33.6%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $185

Compare at $279

2 stores
IGI | 0.33ct | Round | K | VVS2 | Excellent
Save 33.5%

IGI | 0.33ct | Round | K | VVS2 | Excellent

From $185

Compare at $278

2 stores
IGI | 0.34ct | Round | K | VS2 | Excellent
Save 32.7%

IGI | 0.34ct | Round | K | VS2 | Excellent

From $185

Compare at $275

2 stores
IGI | 0.3ct | Round | K | SI1 | Ideal
Save 33.3%

IGI | 0.3ct | Round | K | SI1 | Ideal

From $186

Compare at $279

2 stores
IGI | 0.23ct | Round | K | VS1 | Excellent
Save 33.7%

IGI | 0.23ct | Round | K | VS1 | Excellent

From $186

Compare at $281

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent

IGI | 0.3ct | Round | K | SI1 | Excellent

From $188

Compare at $208

2 stores
IGI | 0.35ct | Round | K | SI1 | Ideal
Save 10.2%

IGI | 0.35ct | Round | K | SI1 | Ideal

From $188

Compare at $209

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 10.9%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $188

Compare at $211

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 10.7%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $189

Compare at $212

2 stores
IGI | 0.24ct | Round | J | VS2 | Ideal
Save 16.4%

IGI | 0.24ct | Round | J | VS2 | Ideal

From $189

Compare at $226

2 stores
IGI | 0.24ct | Round | K | VVS1 | Ideal
Save 16.8%

IGI | 0.24ct | Round | K | VVS1 | Ideal

From $189

Compare at $227

2 stores
IGI | 0.3ct | Round | K | SI1 | Ideal
Save 10.9%

IGI | 0.3ct | Round | K | SI1 | Ideal

From $189

Compare at $212

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 10.7%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $189

Compare at $212

2 stores
IGI | 0.35ct | Round | K | VS2 | Excellent
Save 11.1%

IGI | 0.35ct | Round | K | VS2 | Excellent

From $192

Compare at $216

2 stores
IGI | 0.3ct | Round | K | VS1 | Very Good
Save 11%

IGI | 0.3ct | Round | K | VS1 | Very Good

From $192

Compare at $216

2 stores
IGI | 0.3ct | Round | K | VS1 | Very Good
Save 11%

IGI | 0.3ct | Round | K | VS1 | Very Good

From $192

Compare at $216

2 stores
IGI | 0.3ct | Round | K | VS1 | Very Good
Save 11%

IGI | 0.3ct | Round | K | VS1 | Very Good

From $192

Compare at $216

2 stores
IGI | 0.3ct | Round | K | VS1 | Very Good
Save 11%

IGI | 0.3ct | Round | K | VS1 | Very Good

From $192

Compare at $216

2 stores
IGI | 0.3ct | Round | K | VS1 | Very Good
Save 11%

IGI | 0.3ct | Round | K | VS1 | Very Good

From $192

Compare at $216

2 stores
IGI | 0.35ct | Round | K | SI1 | Excellent
Save 11%

IGI | 0.35ct | Round | K | SI1 | Excellent

From $192

Compare at $216

2 stores
GIA | 0.3ct | Round | L | SI2 | Excellent
Save 21.3%

GIA | 0.3ct | Round | L | SI2 | Excellent

From $193

Compare at $245

3 stores
GIA | 0.3ct | Round | G | I1 | Very Good

GIA | 0.3ct | Round | G | I1 | Very Good

From $193

Compare at $213

2 stores
GIA | 0.29ct | Round | J | VS1 | Excellent

GIA | 0.29ct | Round | J | VS1 | Excellent

From $194

Compare at $211

2 stores
IGI | 0.38ct | Round | K | SI1 | Excellent
Save 10.9%

IGI | 0.38ct | Round | K | SI1 | Excellent

From $194

Compare at $218

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 11.1%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $194

Compare at $218

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 11.3%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $194

Compare at $219

2 stores
IGI | 0.37ct | Round | K | SI1 | Very Good
Save 11.5%

IGI | 0.37ct | Round | K | SI1 | Very Good

From $194

Compare at $219

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 11.1%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $194

Compare at $218

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 11.1%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $194

Compare at $218

2 stores
IGI | 0.3ct | Round | K | SI1 | Very Good
Save 11.1%

IGI | 0.3ct | Round | K | SI1 | Very Good

From $194

Compare at $218

2 stores
IGI | 0.3ct | Round | K | SI1 | Excellent
Save 11.1%

IGI | 0.3ct | Round | K | SI1 | Excellent

From $194

Compare at $218

2 stores
IGI | 0.31ct | Round | K | SI1 | Excellent
Save 11.2%

IGI | 0.31ct | Round | K | SI1 | Excellent

From $194

Compare at $219

2 stores
View All 167,212 Offers

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