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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 $477 CAD
₹32,502 INR
As of October 30, 2026
Save $1,045 CAD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,522 CAD 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 $477 to $1,522, a $1,045 spread on the same certified stone. MOH London lists it at $1,522. 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
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: Oct 30
Current: $1,522 CAD|Low: $474 CAD|High: $1,643 CAD|Avg: $897 CAD|-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
October 31, 2026
Retailer 7$477 CAD
Retailer 10$554 CAD
Retailer 12$684 CAD
Retailer 9$754 CAD
Retailer 3$756 CAD
Retailer 2$817 CAD
Retailer 11$839 CAD
Retailer 8$898 CAD
Retailer 5$990 CAD
Retailer 6$1,016 CAD
Retailer 4$1,057 CAD
MOH London$1,522 CAD

33 data points across 12 retailers

20 retailers$477 CAD to $1,522 CAD

A
Cheapest Retailer
-
$477 CAD
₹32,502 INR
A
Retailer 2
-
$554 CAD
HK$3,100 HKD
View
B+
Retailer 3
-
$684 CAD
SGD 662 SGD
View
Retailer 4
-
$691 CAD
$495 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$703 CAD
$503 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$745 CAD
$533 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
$754 CAD
$540 USD
View
B+
Retailer 8
-
$756 CAD
$541 USD
View
Retailer 9
-
$757 CAD
$542 USD
View
Price last confirmed 25 days ago
Retailer 10
-
$798 CAD
$571 USD
View
Price last confirmed 38 days ago
Retailer 11
-
$812 CAD
$581 USD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$817 CAD
£461 GBP
View
B+
Retailer 13
-
$839 CAD
$600 USD
View
B
Retailer 14
-
$898 CAD
£506 GBP
View
B
Retailer 15
-
$990 CAD
€675 EUR
View
B
Retailer 16
-
$1,016 CAD
ZAR 11,755 ZAR
View
Retailer 17
-
$1,057 CAD
A$1,164 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
8650FE27F · Oct 29
$1,522 CAD
£858 GBP
View
17 more retailers have this diamond
Prices start from $477 CADSave up to $1,045 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.

A
0.40ct Marquise
$477 CAD