Heart|Natural|IGI

1.31ct F VS1 Heart Natural Diamond

VG • F/VS1 • IGI 723525174

Shape and cutting style on the report: Heart brilliant

Certificate IGI 723525174

Diamond specifications and retailer prices

From $8,718 USD
As of November 5, 2026
2 retailers carry this diamond
Most expensive: $8,718 USD at Allurez
View at Allurez

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 723525174. Listed at 2 retailers as of November 5, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 723525174
Dimensions6.00 × 7.31 × 4.73 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Top View
6.00 mm7.31 mm1.31 ctF / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 723525174
Side View
Table 61.0%Crown 43.9°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
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Price History

Last verified: Nov 5
Current: $7,207 USD|Low: $3,808 USD|High: $7,245 USD|Avg: $4,419 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 17, 2026
Retailer 9$3,808 USD
Retailer 3$3,926 USD
Retailer 8$3,995 USD
Retailer 6$4,010 USD
Retailer 2$4,403 USD
Retailer 4$4,430 USD
Retailer 5$4,582 USD
Retailer 7$4,606 USD
Retailer 1$7,207 USD

8 data points across 9 retailers

2 retailers

Retailer 1
-
$7,207 USD
Price last confirmed 17 days ago
Most Expensive
B
Allurez
5758743 · Nov 5
$8,718 USD
View
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.31ct Heart
$8,718 USD