CaratHunter
Plans
Cushion|Natural|IGI

1.31ct K VS1 Cushion Natural Diamond

EX • K/VS1 • IGI 803680475

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 803680475

Diamond specifications and retailer prices

From $2,498 USD
As of November 6, 2026
Save $2,376 USD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,874 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 803680475. Listed at 10 retailers as of November 4, 2026, with prices from $2,498 to $4,874, a $2,376 spread on the same certified stone. MOH London lists it at $4,874. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
K
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 803680475
Dimensions7.45 × 5.72 × 3.89 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.45 mm5.72 mm1.31 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 803680475
Side View
Table 62.0%Crown 36.1°Girdle: THN-STKPavilion 37.6°CuletDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,874 USD|Low: $2,430 USD|High: $4,947 USD|Avg: $3,091 USD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$2,430 USD
Retailer 6$2,498 USD
Retailer 2$2,651 USD
Retailer 7$2,740 USD
Retailer 9$2,790 USD
Retailer 4$2,987 USD
Retailer 3$3,247 USD
Retailer 5$3,405 USD
MOH London$4,874 USD

39 data points across 9 retailers

10 retailers$2,498 USD to $4,874 USD

Retailer 1
-
$2,430 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$2,498 USD
View
A
Retailer 3
-
$2,651 USD
View
A
Retailer 4
-
$2,740 USD
View
Retailer 5
-
$2,790 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,931 USD
View
B+
Retailer 7
-
$2,987 USD
View
B+
Retailer 8
-
$3,247 USD
View
B+
Retailer 9
-
$3,405 USD
View
Most Expensive
B
MOH London
841C36F3E · Nov 4
$4,874 USD
£3,838 GBP
View
9 more retailers have this diamond
Prices start from $2,498 USDSave up to $2,376 USD

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.

A
1.31ct Cushion
$2,498 USD