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Marquise|Natural|GIA

0.40ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6512068078

Certificate GIA 6512068078

Diamond specifications and retailer prices

From $496 CAD
As of November 6, 2026
Save $1,097 CAD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,593 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512068078. Listed at 15 retailers as of November 4, 2026, with prices from $496 to $1,593, a $1,097 spread on the same certified stone. MOH London lists it at $1,593. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512068078
Dimensions6.68 × 3.65 × 2.71 mm
L/W Ratio1.83
Top View
6.68 mm3.65 mm0.40 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6512068078
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 74.4%

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: $1,593 CAD|Low: $496 CAD|High: $2,648 CAD|Avg: $1,019 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$496 CAD
Retailer 8$691 CAD
Retailer 3$698 CAD
Retailer 5$719 CAD
Retailer 7$744 CAD
Retailer 9$797 CAD
Retailer 6$930 CAD
Retailer 11$945 CAD
Retailer 4$1,390 CAD
MOH London$1,593 CAD
Retailer 10$2,648 CAD

37 data points across 11 retailers

15 retailers$496 CAD to $1,593 CAD

A
Cheapest Retailer
-
$496 CAD
A
Retailer 2
-
$589 CAD
View
B+
Retailer 3
-
$691 CAD
View
Retailer 4
-
$698 CAD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$719 CAD
View
B+
Retailer 6
-
$744 CAD
View
Retailer 7
-
$744 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$797 CAD
View
B
Retailer 9
-
$863 CAD
View
B
Retailer 10
-
$873 CAD
View
B
Retailer 11
-
$930 CAD
View
B
Retailer 12
-
$945 CAD
View
B
Retailer 13
-
$1,390 CAD
View
Most Expensive
B
MOH London
CC5D96850 · Nov 4
$1,593 CAD
£898 GBP
View
13 more retailers have this diamond
Prices start from $496 CADSave up to $1,097 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 Marquise
$496 CAD