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Cushion|Natural|GIA

1.31ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 2396156483

Certificate GIA 2396156483

Diamond specifications and retailer prices

From $3,521 AUD
As of November 6, 2026
Save $4,355 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,876 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2396156483. Listed at 12 retailers as of November 4, 2026, with prices from $3,521 to $7,876, a $4,355 spread on the same certified stone. MOH London lists it at $7,876. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2396156483
Dimensions6.02 × 5.87 × 4.11 mm
L/W Ratio1.03
Top View
6.02 mm5.87 mm1.31 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2396156483
Side View
Table 61.0%CrownGirdle: Ext. ThickPavilionCulet: NoneDepth 70.0%

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: $7,876 AUD|Low: $3,483 AUD|High: $7,970 AUD|Avg: $5,044 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$3,521 AUD
Retailer 10$4,320 AUD
Retailer 9$4,357 AUD
Retailer 2$4,643 AUD
Retailer 8$4,721 AUD
Retailer 6$4,855 AUD
Retailer 11$4,929 AUD
Retailer 12$5,030 AUD
Retailer 3$5,065 AUD
Retailer 5$5,494 AUD
Retailer 4$5,723 AUD
MOH London$7,876 AUD

31 data points across 12 retailers

12 retailers$3,521 AUD to $7,876 AUD

A
Cheapest Retailer
-
$3,521 AUD
B+
Retailer 2
-
$4,192 AUD
View
B+
Retailer 3
-
$4,320 AUD
View
B+
Retailer 4
-
$4,357 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,643 AUD
View
Retailer 6
-
$4,721 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,855 AUD
View
B+
Retailer 8
-
$4,897 AUD
View
B+
Retailer 9
-
$4,929 AUD
View
B+
Retailer 10
-
$5,065 AUD
View
B+
Retailer 11
-
$5,494 AUD
View
Most Expensive
B
MOH London
58FD822FF · Nov 4
$7,876 AUD
£4,261 GBP
View
11 more retailers have this diamond
Prices start from $3,521 AUDSave up to $4,355 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
$3,521 AUD