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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1549594390

Certificate GIA 1549594390

Diamond specifications and retailer prices

From $435 SGD
₹32,372 INR
As of November 2, 2026
Save $958 SGD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,393 SGD at MOH London · As of October 29, 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 1549594390. Listed at 20 retailers as of October 29, 2026, with prices from $435 to $1,393, a $958 spread on the same certified stone. MOH London lists it at $1,393. 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
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1549594390
Dimensions8.10 × 3.63 × 2.24 mm
L/W Ratio2.23
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal
Top View
8.10 mm3.63 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 1549594390
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.8%

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 2
Current: $1,393 SGD|Low: $434 SGD|High: $1,503 SGD|Avg: $819 SGD|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2$435 SGD
Retailer 10$507 SGD
Retailer 12$626 SGD
Retailer 9$690 SGD
Retailer 3$692 SGD
Retailer 6$748 SGD
Retailer 11$768 SGD
Retailer 8$822 SGD
Retailer 5$905 SGD
Retailer 7$930 SGD
Retailer 4$967 SGD
MOH London$1,393 SGD

33 data points across 12 retailers

20 retailers$435 SGD to $1,393 SGD

A
Cheapest Retailer
-
$435 SGD
₹32,372 INR
A
Retailer 2
-
$507 SGD
HK$3,100 HKD
View
B+
Retailer 3
-
$626 SGD
View
Retailer 4
-
$633 SGD
$495 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$643 SGD
$503 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$681 SGD
$533 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$690 SGD
$540 USD
View
B+
Retailer 8
-
$692 SGD
$541 USD
View
Retailer 9
-
$693 SGD
$542 USD
View
Price last confirmed 25 days ago
Retailer 10
-
$730 SGD
$571 USD
View
Price last confirmed 38 days ago
Retailer 11
-
$743 SGD
$581 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
$748 SGD
£461 GBP
View
B+
Retailer 13
-
$768 SGD
$600 USD
View
B
Retailer 14
-
$822 SGD
£506 GBP
View
B
Retailer 15
-
$905 SGD
€674 EUR
View
B
Retailer 16
-
$930 SGD
ZAR 11,755 ZAR
View
Retailer 17
-
$967 SGD
A$1,164 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
8650FE27F · Oct 29
$1,393 SGD
£858 GBP
View
17 more retailers have this diamond
Prices start from $435 SGDSave up to $958 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.

A
0.40ct Marquise
$435 SGD