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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6562720666

Certificate GIA 6562720666

Diamond specifications and retailer prices

From $654 CAD
$468 USD
As of November 1, 2026
Save $943 CAD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,597 CAD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562720666. Listed at 15 retailers as of November 1, 2026, with prices from $654 to $1,597, a $943 spread on the same certified stone. MOH London lists it at $1,597. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562720666
Dimensions7.61 × 3.86 × 2.36 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.61 mm3.86 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562720666
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,597 CAD|Low: $654 CAD|High: $2,649 CAD|Avg: $1,006 CAD
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 3$654 CAD
Retailer 7$691 CAD
Retailer 5$745 CAD
Retailer 6$745 CAD
Retailer 10$798 CAD
Retailer 12$863 CAD
Retailer 8$864 CAD
Retailer 11$934 CAD
Retailer 15$947 CAD
Retailer 9$971 CAD
Retailer 4$972 CAD
Retailer 13$1,071 CAD
Retailer 2$1,398 CAD
MOH London$1,597 CAD
Retailer 14$2,649 CAD

5 data points across 15 retailers

15 retailers$654 CAD to $1,597 CAD

B+
Cheapest Retailer
-
$654 CAD
$468 USD
B+
Retailer 2
-
$691 CAD
$495 USD
View
B+
Retailer 3
-
$745 CAD
$533 USD
View
B+
Retailer 4
-
$745 CAD
$533 USD
View
B
Retailer 5
-
$798 CAD
$571 USD
View
B
Retailer 6
-
$863 CAD
$618 USD
View
B+
Retailer 7
-
$864 CAD
£487 GBP
View
B
Retailer 8
-
$934 CAD
€637 EUR
View
B
Retailer 9
-
$947 CAD
£534 GBP
View
B
Retailer 10
-
$971 CAD
$695 USD
View
B
Retailer 11
-
$972 CAD
$696 USD
View
B
Retailer 12
-
$1,071 CAD
ZAR 12,391 ZAR
View
B
Retailer 13
-
$1,398 CAD
£788 GBP
View
Most Expensive
B
MOH London
77A188457 · Nov 1
$1,597 CAD
£900 GBP
View
13 more retailers have this diamond
Prices start from $654 CADSave up to $943 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.

B+
0.40ct Marquise
$654 CAD