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Cushion|Natural|GIA

1.31ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1545944738

Certificate GIA 1545944738

Diamond specifications and retailer prices

From $5,613 SGD
As of November 6, 2026
Save $5,577 SGD (50%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,190 SGD at MOH London · As of November 7, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545944738. Listed at 21 retailers as of November 6, 2026, with prices from $5,613 to $11,190, a $5,577 spread on the same certified stone. MOH London lists it at $11,190. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.89°
OriginNatural
Grading LabGIA
CertificateGIA 1545944738
Dimensions7.12 × 5.60 × 3.91 mm
L/W Ratio1.27
Key to symbols
Crystal, Feather, Needle
Top View
7.12 mm5.60 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545944738
Side View
Table 61.0%CrownGirdle: STK-VTKPavilion 35.89°Culet: NoneDepth 69.8%

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: $11,190 SGD|Low: $5,533 SGD|High: $11,385 SGD|Avg: $8,077 SGD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 6$6,385 SGD
Retailer 14$6,662 SGD
Retailer 2$6,687 SGD
Retailer 13$6,918 SGD
Retailer 10$7,353 SGD
Retailer 3$7,388 SGD
Retailer 7$7,647 SGD
Retailer 4$7,882 SGD
Retailer 15$7,882 SGD
Retailer 9$8,119 SGD
Retailer 5$8,151 SGD
Retailer 11$8,296 SGD
Retailer 12$9,316 SGD
Retailer 8$9,333 SGD
MOH London$11,190 SGD

45 data points across 15 retailers

21 retailers$5,613 SGD to $11,190 SGD

A
Cheapest Retailer
-
$5,613 SGD
B+
Retailer 2
-
$6,032 SGD
View
B+
Retailer 3
-
$6,035 SGD
View
B+
Retailer 4
-
$6,109 SGD
View
B+
Retailer 5
-
$6,385 SGD
View
Final sale: no returns
B+
Retailer 6
-
$6,485 SGD
View
B+
Retailer 7
-
$6,662 SGD
View
B+
Retailer 8
-
$6,687 SGD
View
B+
Retailer 9
-
$6,918 SGD
View
B+
Retailer 10
-
$7,353 SGD
View
B
Retailer 11
-
$7,388 SGD
View
Retailer 12
-
$7,647 SGD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$7,882 SGD
View
B+
Retailer 14
-
$7,882 SGD
View
B
Retailer 15
-
$8,119 SGD
View
B
Retailer 16
-
$8,151 SGD
View
B+
Retailer 17
-
$8,296 SGD
View
Retailer 18
-
$8,421 SGD
View
Price last confirmed 15 days ago
B
Retailer 19
-
$9,316 SGD
View
B
Retailer 20
-
$9,333 SGD
View
Most Expensive
B
MOH London
23ED74DE8 · Nov 7
$11,190 SGD
£6,875 GBP
View
20 more retailers have this diamond
Prices start from $5,613 SGDSave up to $5,577 SGD

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
$5,613 SGD