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Cushion|Natural|GIA

0.40ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436293478

Certificate GIA 5436293478

Diamond specifications and retailer prices

From $702 CAD
As of November 6, 2026
Save $1,213 CAD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,915 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural cushion diamond

This 0.4ct natural cushion sits in the sub-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 5436293478. Listed at 15 retailers as of November 4, 2026, with prices from $702 to $1,915, a $1,213 spread on the same certified stone. MOH London lists it at $1,915. 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

0.40
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5436293478
Dimensions4.41 × 4.12 × 2.85 mm
L/W Ratio1.07
Top View
4.41 mm4.12 mm0.40 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5436293478
Side View
Table 56.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 69.2%

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: $1,915 CAD|Low: $802 CAD|High: $1,940 CAD|Avg: $1,157 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$802 CAD
Retailer 9$895 CAD
Retailer 10$917 CAD
Retailer 2$1,003 CAD
Retailer 4$1,097 CAD
Retailer 5$1,113 CAD
Retailer 7$1,137 CAD
Retailer 8$1,248 CAD
Retailer 6$1,287 CAD
MOH London$1,915 CAD

43 data points across 10 retailers

15 retailers$702 CAD to $1,915 CAD

A
Cheapest Retailer
-
$702 CAD
A
Retailer 2
-
$802 CAD
View
B+
Retailer 3
-
$869 CAD
View
Retailer 4
-
$895 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$958 CAD
View
B+
Retailer 6
-
$1,003 CAD
View
B+
Retailer 7
-
$1,014 CAD
View
B+
Retailer 8
-
$1,097 CAD
View
B+
Retailer 9
-
$1,113 CAD
View
B+
Retailer 10
-
$1,137 CAD
View
B
Retailer 11
-
$1,156 CAD
View
B
Retailer 12
-
$1,190 CAD
View
Retailer 13
-
$1,248 CAD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$1,287 CAD
View
Most Expensive
B
MOH London
D4368579A · Nov 4
$1,915 CAD
£1,072 GBP
View
14 more retailers have this diamond
Prices start from $702 CADSave up to $1,213 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
0.40ct Cushion
$702 CAD