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Cushion|Natural|GIA

0.40ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 2556005164

Certificate GIA 2556005164

Diamond specifications and retailer prices

From $581 CAD
As of November 6, 2026
Save $702 CAD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,283 CAD at MOH London · As of November 2, 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 H 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 2556005164. Listed at 10 retailers as of November 2, 2026, with prices from $581 to $1,283, a $702 spread on the same certified stone. MOH London lists it at $1,283. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556005164
Dimensions5.19 × 3.84 × 2.64 mm
L/W Ratio1.35
Top View
5.19 mm3.84 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556005164
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,283 CAD|Low: $581 CAD|High: $1,299 CAD|Avg: $922 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$581 CAD
Retailer 7$598 CAD
Retailer 5$717 CAD
Retailer 6$761 CAD
Retailer 3$1,000 CAD
Retailer 2$1,117 CAD
MOH London$1,283 CAD

42 data points across 7 retailers

10 retailers$581 CAD to $1,283 CAD

A
Cheapest Retailer
-
$581 CAD
Retailer 2
-
$598 CAD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$641 CAD
View
B+
Retailer 4
-
$717 CAD
View
B+
Retailer 5
-
$738 CAD
View
B+
Retailer 6
-
$758 CAD
View
B+
Retailer 7
-
$761 CAD
View
B
Retailer 8
-
$1,000 CAD
View
B
Retailer 9
-
$1,117 CAD
View
Most Expensive
B
MOH London
1BBD7995A · Nov 2
$1,283 CAD
£718 GBP
View
9 more retailers have this diamond
Prices start from $581 CADSave up to $702 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
$581 CAD