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 $3,636 AUD
As of November 6, 2026
Save $3,458 AUD (49%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,094 AUD 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 $3,636 to $7,094, a $3,458 spread on the same certified stone. MOH London lists it at $7,094. 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
Colour
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: $7,094 AUD|Low: $3,537 AUD|High: $7,199 AUD|Avg: $4,499 AUD|-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$3,537 AUD
Retailer 6$3,636 AUD
Retailer 2$3,858 AUD
Retailer 7$3,988 AUD
Retailer 9$4,061 AUD
Retailer 4$4,347 AUD
Retailer 3$4,726 AUD
Retailer 5$4,956 AUD
MOH London$7,094 AUD

39 data points across 9 retailers

10 retailers$3,636 AUD to $7,094 AUD

Retailer 1
-
$3,537 AUD
Price last confirmed 16 days ago
A
Retailer 2
-
$3,636 AUD
View
A
Retailer 3
-
$3,858 AUD
View
A
Retailer 4
-
$3,988 AUD
View
Retailer 5
-
$4,061 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,266 AUD
View
B+
Retailer 7
-
$4,347 AUD
View
B+
Retailer 8
-
$4,726 AUD
View
B+
Retailer 9
-
$4,956 AUD
View
Most Expensive
B
MOH London
841C36F3E · Nov 4
$7,094 AUD
£3,838 GBP
View
9 more retailers have this diamond
Prices start from $3,636 AUDSave up to $3,458 AUD

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
$3,636 AUD