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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 $599 SGD
$468 USD
As of November 1, 2026
Save $863 SGD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,462 SGD at MOH London · As of November 2, 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 $599 to $1,462, a $863 spread on the same certified stone. MOH London lists it at $1,462. 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
Colour
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: $1,462 SGD|Low: $599 SGD|High: $2,425 SGD|Avg: $932 SGD
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 2, 2026
Retailer 4$599 SGD
Retailer 7$633 SGD
Retailer 2$682 SGD
Retailer 6$682 SGD
Retailer 8$730 SGD
Retailer 13$790 SGD
Retailer 11$791 SGD
Retailer 10$857 SGD
Retailer 3$867 SGD
Retailer 12$889 SGD
Retailer 5$890 SGD
Retailer 14$981 SGD
Retailer 9$1,280 SGD
MOH London$1,462 SGD
Retailer 15$2,425 SGD

6 data points across 15 retailers

15 retailers$599 SGD to $1,462 SGD

B+
Cheapest Retailer
-
$599 SGD
$468 USD
B+
Retailer 2
-
$633 SGD
$495 USD
View
B+
Retailer 3
-
$682 SGD
$533 USD
View
B+
Retailer 4
-
$682 SGD
$533 USD
View
B
Retailer 5
-
$730 SGD
$571 USD
View
B
Retailer 6
-
$790 SGD
$618 USD
View
B+
Retailer 7
-
$791 SGD
£487 GBP
View
B
Retailer 8
-
$857 SGD
€638 EUR
View
B
Retailer 9
-
$867 SGD
£534 GBP
View
B
Retailer 10
-
$889 SGD
$695 USD
View
B
Retailer 11
-
$890 SGD
$696 USD
View
B
Retailer 12
-
$981 SGD
ZAR 12,391 ZAR
View
B
Retailer 13
-
$1,280 SGD
£788 GBP
View
Most Expensive
B
MOH London
77A188457 · Nov 2
$1,462 SGD
£900 GBP
View
13 more retailers have this diamond
Prices start from $599 SGDSave up to $863 SGD

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
$599 SGD