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Cushion|Natural|GIA

0.40ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6552636084

Certificate GIA 6552636084

Diamond specifications and retailer prices

From $579 CAD
$414 USD
As of October 29, 2026
Save $664 CAD (53%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,242 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 F 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 6552636084. Listed at 9 retailers as of October 29, 2026, with prices from $579 to $1,242, a $664 spread on the same certified stone. MOH London lists it at $1,242. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552636084
Dimensions5.02 × 4.03 × 2.64 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cavity
Top View
5.02 mm4.03 mm0.40 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552636084
Side View
Table 66.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 65.6%

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: Oct 29
Current: $1,242 CAD|Low: $579 CAD|High: $1,290 CAD|Avg: $829 CAD|-3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 6$579 CAD
Retailer 7$620 CAD
Retailer 8$622 CAD
Retailer 2$701 CAD
Retailer 3$737 CAD
Retailer 5$833 CAD
Retailer 9$879 CAD
Retailer 4$980 CAD
MOH London$1,242 CAD

43 data points across 9 retailers

9 retailers$579 CAD to $1,242 CAD

A
Cheapest Retailer
-
$579 CAD
$414 USD
A
Retailer 2
-
$620 CAD
$444 USD
View
A
Retailer 3
-
$622 CAD
$445 USD
View
A
Retailer 4
-
$701 CAD
£395 GBP
View
A
Retailer 5
-
$737 CAD
£415 GBP
View
B+
Retailer 6
-
$833 CAD
ZAR 9,634 ZAR
View
Retailer 7
-
$879 CAD
A$968 AUD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
$980 CAD
€668 EUR
View
Most Expensive
B
MOH London
BC35A9762 · Nov 2
$1,242 CAD
£700 GBP
View
8 more retailers have this diamond
Prices start from $579 CADSave up to $664 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
$579 CAD