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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 €303 EUR
₹32,372 INR
As of November 2, 2026
Save €663 EUR (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €966 EUR 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 1549594390. Listed at 20 retailers as of November 2, 2026, with prices from €303 to €966, a €663 spread on the same certified stone. MOH London lists it at €966. 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: €966 EUR|Low: €302 EUR|High: €1,049 EUR|Avg: €571 EUR|-7.9%
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€303 EUR
Retailer 10€354 EUR
Retailer 12€437 EUR
Retailer 9€481 EUR
Retailer 3€482 EUR
Retailer 6€522 EUR
Retailer 11€535 EUR
Retailer 8€573 EUR
Retailer 5€631 EUR
Retailer 7€649 EUR
Retailer 4€675 EUR
MOH London€966 EUR

32 data points across 12 retailers

20 retailers€303 EUR to €966 EUR

A
Cheapest Retailer
-
€303 EUR
₹32,372 INR
A
Retailer 2
-
€354 EUR
HK$3,100 HKD
View
B+
Retailer 3
-
€437 EUR
SGD 662 SGD
View
Retailer 4
-
€441 EUR
$495 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€448 EUR
$503 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€475 EUR
$533 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
€481 EUR
$540 USD
View
B+
Retailer 8
-
€482 EUR
$541 USD
View
Retailer 9
-
€483 EUR
$542 USD
View
Price last confirmed 25 days ago
Retailer 10
-
€509 EUR
$571 USD
View
Price last confirmed 39 days ago
Retailer 11
-
€518 EUR
$581 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
€522 EUR
£461 GBP
View
B+
Retailer 13
-
€535 EUR
$600 USD
View
B
Retailer 14
-
€573 EUR
£506 GBP
View
B
Retailer 15
-
€631 EUR
View
B
Retailer 16
-
€649 EUR
ZAR 11,755 ZAR
View
Retailer 17
-
€675 EUR
A$1,164 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
8650FE27F · Nov 2
€966 EUR
£853 GBP
View
17 more retailers have this diamond
Prices start from €303 EURSave up to €663 EUR

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
€303 EUR