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Cushion|Natural|GIA

1.31ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5553380503

Certificate GIA 5553380503

Diamond specifications and retailer prices

From $4,456 NZD
As of November 6, 2026
Save $5,418 NZD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,874 NZD 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 5553380503. Listed at 13 retailers as of November 4, 2026, with prices from $4,456 to $9,874, a $5,418 spread on the same certified stone. MOH London lists it at $9,874. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553380503
Dimensions7.57 × 5.65 × 3.67 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.57 mm5.65 mm1.31 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553380503
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.9%

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: $9,874 NZD|Low: $4,456 NZD|High: $10,103 NZD|Avg: $6,228 NZD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$4,456 NZD
Retailer 2$4,622 NZD
Retailer 11$5,464 NZD
Retailer 4$5,821 NZD
Retailer 3$5,969 NZD
Retailer 7$6,124 NZD
Retailer 10$6,178 NZD
Retailer 6$6,204 NZD
Retailer 8$6,370 NZD
Retailer 5$6,891 NZD
MOH London$9,874 NZD

28 data points across 11 retailers

13 retailers$4,456 NZD to $9,874 NZD

A
Cheapest Retailer
-
$4,456 NZD
A
Retailer 2
-
$4,622 NZD
View
B+
Retailer 3
-
$5,464 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,567 NZD
View
B+
Retailer 5
-
$5,821 NZD
View
B+
Retailer 6
-
$5,919 NZD
View
Retailer 7
-
$5,969 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$6,124 NZD
View
B+
Retailer 9
-
$6,178 NZD
View
B+
Retailer 10
-
$6,204 NZD
View
B+
Retailer 11
-
$6,370 NZD
View
B+
Retailer 12
-
$6,891 NZD
View
Most Expensive
B
MOH London
4213526FE · Nov 4
$9,874 NZD
£4,310 GBP
View
12 more retailers have this diamond
Prices start from $4,456 NZDSave up to $5,418 NZD

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
$4,456 NZD