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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 $6,161 CAD
As of November 6, 2026
Save $6,153 CAD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,314 CAD 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 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 18 retailers as of November 4, 2026, with prices from $6,161 to $12,314, a $6,153 spread on the same certified stone. MOH London lists it at $12,314. 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
Color
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: $12,314 CAD|Low: $6,072 CAD|High: $12,496 CAD|Avg: $8,557 CAD|-1.3%
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
November 6, 2026
Retailer 5$6,161 CAD
Retailer 3$7,008 CAD
Retailer 9$7,312 CAD
Retailer 8$7,593 CAD
Retailer 6$8,095 CAD
Retailer 11$8,109 CAD
Retailer 4$8,393 CAD
Retailer 10$8,651 CAD
Retailer 12$8,651 CAD
Retailer 13$8,946 CAD
Retailer 2$9,105 CAD
Retailer 7$10,225 CAD
MOH London$12,314 CAD

45 data points across 13 retailers

18 retailers$6,161 CAD to $12,314 CAD

A
Cheapest Retailer
-
$6,161 CAD
B+
Retailer 2
-
$6,621 CAD
View
B+
Retailer 3
-
$6,624 CAD
View
B+
Retailer 4
-
$6,705 CAD
View
B+
Retailer 5
-
$7,008 CAD
View
Final sale: no returns
B+
Retailer 6
-
$7,117 CAD
View
B+
Retailer 7
-
$7,312 CAD
View
Retailer 8
-
$7,593 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$8,095 CAD
View
B
Retailer 10
-
$8,109 CAD
View
Retailer 11
-
$8,393 CAD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$8,651 CAD
View
B+
Retailer 13
-
$8,651 CAD
View
B
Retailer 14
-
$8,946 CAD
View
B+
Retailer 15
-
$9,105 CAD
View
Retailer 16
-
$9,243 CAD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$10,225 CAD
View
Most Expensive
B
MOH London
23ED74DE8 · Nov 4
$12,314 CAD
£6,893 GBP
View
17 more retailers have this diamond
Prices start from $6,161 CADSave up to $6,153 CAD

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
$6,161 CAD