1.5 Carat Round Natural Diamonds

Search over 8,902 1.5 Carat Round natural diamonds from 8 online retailers.Prices typically range from $1,650 to $45,743 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

1.5 Carat Round Natural Diamonds Available

See All Matching Offers

Showing up to 50 of 8,902 offers.

GIA | 1.51ct | Round | L | SI2 | Good
Save 21%

GIA | 1.51ct | Round | L | SI2 | Good

From $1,650

Compare at $2,089

2 stores
IGI | 1.5ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.5ct | Round | K | SI1 | Very Good

From $1,876

Compare at $2,420

3 stores
IGI | 1.5ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.5ct | Round | K | SI1 | Very Good

From $1,876

Compare at $2,420

3 stores
IGI | 1.5ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.5ct | Round | K | SI1 | Very Good

From $1,876

Compare at $2,420

3 stores
IGI | 1.5ct | Round | K | SI1 | Ideal
Save 22.5%

IGI | 1.5ct | Round | K | SI1 | Ideal

From $1,876

Compare at $2,420

2 stores
GIA | 1.5ct | Round | L | SI2 | Excellent
Save 21.1%

GIA | 1.5ct | Round | L | SI2 | Excellent

From $1,912

Compare at $2,424

3 stores
GIA | 1.51ct | Round | L | SI2 | Very Good
Save 21.1%

GIA | 1.51ct | Round | L | SI2 | Very Good

From $1,931

Compare at $2,448

3 stores
IGI | 1.5ct | Round | L | SI1 | Very Good

IGI | 1.5ct | Round | L | SI1 | Very Good

From $1,934

Compare at $2,005

2 stores
GIA | 1.5ct | Round | L | SI2 | Good
Save 11.7%

GIA | 1.5ct | Round | L | SI2 | Good

From $2,007

Compare at $2,274

2 stores
GIA | 1.5ct | Round | L | SI1 | Good
Save 27.1%

GIA | 1.5ct | Round | L | SI1 | Good

From $2,042

Compare at $2,799

3 stores
IGI | 1.51ct | Round | K | SI2 | Very Good

IGI | 1.51ct | Round | K | SI2 | Very Good

From $2,061

Compare at $2,062

2 stores
IGI | 1.5ct | Round | J | SI1 | Very Good

IGI | 1.5ct | Round | J | SI1 | Very Good

From $2,067

Compare at $2,070

2 stores
IGI | 1.53ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.53ct | Round | K | SI1 | Very Good

From $2,069

Compare at $2,671

3 stores
IGI | 1.5ct | Round | K | VS2 | Very Good
Save 22.5%

IGI | 1.5ct | Round | K | VS2 | Very Good

From $2,071

Compare at $2,672

3 stores
IGI | 1.51ct | Round | K | SI1 | Excellent
Save 22.5%

IGI | 1.51ct | Round | K | SI1 | Excellent

From $2,074

Compare at $2,677

2 stores
IGI | 1.5ct | Round | J | SI1 | Very Good
Save 22.5%

IGI | 1.5ct | Round | J | SI1 | Very Good

From $2,097

Compare at $2,706

3 stores
GIA | 1.5ct | Round | L | SI1 | Good
Save 24.4%

GIA | 1.5ct | Round | L | SI1 | Good

From $2,097

Compare at $2,774

3 stores
IGI | 1.5ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.5ct | Round | K | SI1 | Very Good

From $2,097

Compare at $2,707

2 stores
GIA | 1.56ct | Round | L | SI2 | Excellent
Save 27.1%

GIA | 1.56ct | Round | L | SI2 | Excellent

From $2,097

Compare at $2,875

3 stores
GIA | 1.5ct | Round | L | SI2 | Ideal
Save 20.7%

GIA | 1.5ct | Round | L | SI2 | Ideal

From $2,113

Compare at $2,664

2 stores
GIA | 1.5ct | Round | L | SI2 | Ideal
Save 20.7%

GIA | 1.5ct | Round | L | SI2 | Ideal

From $2,113

Compare at $2,664

2 stores
IGI | 1.51ct | Round | K | SI1 | Very Good
Save 22.5%

IGI | 1.51ct | Round | K | SI1 | Very Good

From $2,120

Compare at $2,737

3 stores
GIA | 1.5ct | Round | L | VS1 | Good
Save 27.1%

GIA | 1.5ct | Round | L | VS1 | Good

From $2,124

Compare at $2,912

3 stores
IGI | 1.51ct | Round | K | VS2 | Ideal
Save 20.9%

IGI | 1.51ct | Round | K | VS2 | Ideal

From $2,125

Compare at $2,687

2 stores
IGI | 1.51ct | Round | K | SI1 | Ideal
Save 20.9%

IGI | 1.51ct | Round | K | SI1 | Ideal

From $2,148

Compare at $2,717

2 stores
GIA | 1.5ct | Round | L | SI1 | Good
Save 33.1%

GIA | 1.5ct | Round | L | SI1 | Good

From $2,149

Compare at $3,212

3 stores
GIA | 1.5ct | Round | K | SI2 | Ideal
Save 39.8%

GIA | 1.5ct | Round | K | SI2 | Ideal

From $2,155

Compare at $3,582

3 stores
GIA | 1.51ct | Round | L | SI2 | Very Good
Save 11.4%

GIA | 1.51ct | Round | L | SI2 | Very Good

From $2,161

Compare at $2,440

2 stores
GIA | 1.5ct | Round | L | SI1 | Very Good
Save 39.3%

GIA | 1.5ct | Round | L | SI1 | Very Good

From $2,168

Compare at $3,571

3 stores
GIA | 1.5ct | Round | K | SI2 | Excellent
Save 34.3%

GIA | 1.5ct | Round | K | SI2 | Excellent

From $2,173

Compare at $3,308

4 stores
GIA | 1.51ct | Round | L | SI2 | Excellent
Save 20.8%

GIA | 1.51ct | Round | L | SI2 | Excellent

From $2,177

Compare at $2,749

3 stores
IGI | 1.5ct | Round | J | SI1 | Very Good

IGI | 1.5ct | Round | J | SI1 | Very Good

From $2,180

Compare at $2,265

2 stores
GIA | 1.5ct | Round | L | SI2 | Good
Save 10.5%

GIA | 1.5ct | Round | L | SI2 | Good

From $2,184

Compare at $2,441

2 stores
IGI | 1.51ct | Round | K | SI1 | Excellent
Save 20.9%

IGI | 1.51ct | Round | K | SI1 | Excellent

From $2,198

Compare at $2,780

3 stores
GIA | 1.5ct | Round | L | SI1 | Very Good
Save 14.3%

GIA | 1.5ct | Round | L | SI1 | Very Good

From $2,209

Compare at $2,579

2 stores
GIA | 1.51ct | Round | L | SI2 | Excellent
Save 19.6%

GIA | 1.51ct | Round | L | SI2 | Excellent

From $2,211

Compare at $2,749

3 stores
IGI | 1.52ct | Round | K | SI1 | Excellent
Save 20.9%

IGI | 1.52ct | Round | K | SI1 | Excellent

From $2,212

Compare at $2,798

3 stores
IGI | 1.52ct | Round | K | SI1 | Excellent
Save 20.9%

IGI | 1.52ct | Round | K | SI1 | Excellent

From $2,212

Compare at $2,798

3 stores
GIA | 1.5ct | Round | K | SI2 | Excellent
Save 10.4%

GIA | 1.5ct | Round | K | SI2 | Excellent

From $2,230

Compare at $2,490

2 stores
IGI | 1.51ct | Round | K | SI1 | Excellent
Save 21%

IGI | 1.51ct | Round | K | SI1 | Excellent

From $2,236

Compare at $2,829

3 stores
GIA | 1.5ct | Round | L | SI2 | Very Good
Save 28.5%

GIA | 1.5ct | Round | L | SI2 | Very Good

From $2,240

Compare at $3,132

3 stores
GIA | 1.5ct | Round | L | SI2 | Very Good
Save 27.1%

GIA | 1.5ct | Round | L | SI2 | Very Good

From $2,245

Compare at $3,078

3 stores
GIA | 1.5ct | Round | L | SI2 | Excellent
Save 32.2%

GIA | 1.5ct | Round | L | SI2 | Excellent

From $2,246

Compare at $3,313

3 stores
IGI | 1.5ct | Round | K | VS2 | Excellent
Save 20.9%

IGI | 1.5ct | Round | K | VS2 | Excellent

From $2,254

Compare at $2,851

3 stores
IGI | 1.51ct | Round | K | SI1 | Excellent
Save 20.9%

IGI | 1.51ct | Round | K | SI1 | Excellent

From $2,261

Compare at $2,858

2 stores
IGI | 1.5ct | Round | K | SI1 | Very Good
Save 18.1%

IGI | 1.5ct | Round | K | SI1 | Very Good

From $2,261

Compare at $2,761

3 stores
IGI | 1.5ct | Round | J | SI1 | Very Good
Save 20.9%

IGI | 1.5ct | Round | J | SI1 | Very Good

From $2,265

Compare at $2,864

3 stores
GIA | 1.5ct | Round | K | SI1 | Good
Save 32%

GIA | 1.5ct | Round | K | SI1 | Good

From $2,277

Compare at $3,348

4 stores
IGI | 1.5ct | Round | K | SI1 | Ideal
Save 20.9%

IGI | 1.5ct | Round | K | SI1 | Ideal

From $2,283

Compare at $2,886

2 stores
GIA | 1.5ct | Round | K | SI1 | Good
Save 23.2%

GIA | 1.5ct | Round | K | SI1 | Good

From $2,283

Compare at $2,973

3 stores

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