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Marquise|Natural|GIA

0.40ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 7558335818

Certificate GIA 7558335818

Diamond specifications and retailer prices

From $700 SGD
As of November 5, 2026
Save $439 SGD (39%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,781 SGD 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 7558335818. Listed at 20 retailers as of November 2, 2026, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558335818
Dimensions7.93 × 3.65 × 2.28 mm
L/W Ratio2.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
7.93 mm3.65 mm0.40 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558335818
Side View
Table 56.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 62.5%

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 5
Current: $1,781 SGD|Low: $651 SGD|High: $2,422 SGD|Avg: $1,078 SGD|-0.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 14$651 SGD
Retailer 19$700 SGD
Retailer 7$754 SGD
Retailer 16$754 SGD
Retailer 18$788 SGD
Retailer 3$807 SGD
Retailer 15$820 SGD
Retailer 17$826 SGD
Retailer 10$894 SGD
Retailer 11$894 SGD
Retailer 8$918 SGD
Retailer 9$920 SGD
Retailer 2$939 SGD
Retailer 6$973 SGD
Retailer 13$1,058 SGD
Retailer 12$1,139 SGD
MOH London$1,781 SGD
Retailer 5$2,206 SGD
Retailer 4$2,422 SGD

43 data points across 19 retailers

20 retailers$700 SGD to $1,139 SGD

Retailer 1
-
$651 SGD
Price last confirmed 16 days ago
B+
Retailer 2
-
$700 SGD
View
B+
Retailer 3
-
$714 SGD
View
B+
Retailer 4
-
$754 SGD
View
Retailer 5
-
$754 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$788 SGD
View
B
Retailer 7
-
$807 SGD
View
B
Retailer 8
-
$820 SGD
View
B
Retailer 9
-
$826 SGD
View
B
Retailer 10
-
$894 SGD
View
B
Retailer 11
-
$894 SGD
View
B
Retailer 12
-
$918 SGD
View
B
Retailer 13
-
$920 SGD
View
B
Retailer 14
-
$939 SGD
View
B
Retailer 15
-
$973 SGD
View
Retailer 16
-
$1,058 SGD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$1,139 SGD
View
Most Expensive
MOH London
E250BE6CB · Nov 4
$1,781 SGD
£1,098 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $700 SGDSave up to $439 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
$700 SGD