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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 $2,470 USD
As of November 6, 2026
Save $3,004 USD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,474 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 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 $2,470 to $5,474, a $3,004 spread on the same certified stone. MOH London lists it at $5,474. 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
Color
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: $5,474 USD|Low: $2,470 USD|High: $5,601 USD|Avg: $3,453 USD|-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$2,470 USD
Retailer 2$2,562 USD
Retailer 11$3,029 USD
Retailer 4$3,227 USD
Retailer 3$3,309 USD
Retailer 7$3,395 USD
Retailer 10$3,425 USD
Retailer 6$3,439 USD
Retailer 8$3,531 USD
Retailer 5$3,820 USD
MOH London$5,474 USD

28 data points across 11 retailers

13 retailers$2,470 USD to $5,474 USD

A
Cheapest Retailer
-
$2,470 USD
A
Retailer 2
-
$2,562 USD
View
B+
Retailer 3
-
$3,029 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,086 USD
View
B+
Retailer 5
-
$3,227 USD
View
B+
Retailer 6
-
$3,281 USD
View
Retailer 7
-
$3,309 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,395 USD
View
B+
Retailer 9
-
$3,425 USD
View
B+
Retailer 10
-
$3,439 USD
View
B+
Retailer 11
-
$3,531 USD
View
B+
Retailer 12
-
$3,820 USD
View
Most Expensive
B
MOH London
4213526FE · Nov 4
$5,474 USD
£4,310 GBP
View
12 more retailers have this diamond
Prices start from $2,470 USDSave up to $3,004 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
$2,470 USD