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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 6561323652

Certificate GIA 6561323652

Diamond specifications and retailer prices

From $311 USD
₹29,638 INR
As of October 28, 2026
Save $672 USD (68%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $983 USD at MOH London · As of October 26, 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 6561323652. Listed at 22 retailers as of October 26, 2026, with prices from $311 to $983, a $672 spread on the same certified stone. MOH London lists it at $983. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561323652
Dimensions7.43 × 3.89 × 2.32 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather
Top View
7.43 mm3.89 mm0.40 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561323652
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.6%

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 28
Current: $983 USD|Low: $311 USD|High: $1,630 USD|Avg: $601 USD|-1.0%
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
October 30, 2026
Retailer 15$311 USD
Retailer 4$360 USD
Retailer 3$380 USD
Retailer 10$392 USD
Retailer 9$425 USD
Retailer 14$430 USD
Retailer 5$458 USD
Retailer 7$458 USD
Retailer 6$491 USD
Retailer 18$507 USD
Retailer 11$527 USD
Retailer 2$564 USD
Retailer 16$583 USD
Retailer 17$658 USD
Retailer 13$677 USD
Retailer 12$865 USD
MOH London$983 USD
Retailer 8$1,630 USD

22 data points across 18 retailers

22 retailers$311 USD to $983 USD

A
Cheapest Retailer
-
$311 USD
₹29,638 INR
A
Retailer 2
-
$360 USD
View
Retailer 3
-
$380 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$392 USD
View
Final sale: no returns
A
Retailer 5
-
$425 USD
View
A
Retailer 6
-
$430 USD
View
B+
Retailer 7
-
$458 USD
View
B+
Retailer 8
-
$458 USD
View
B+
Retailer 9
-
$491 USD
View
B+
Retailer 10
-
$507 USD
View
B+
Retailer 11
-
$527 USD
£415 GBP
View
Retailer 12
-
$556 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$564 USD
View
B
Retailer 14
-
$583 USD
£459 GBP
View
B+
Retailer 15
-
$607 USD
View
B
Retailer 16
-
$635 USD
View
Retailer 17
-
$658 USD
ZAR 10,629 ZAR
View
Price last confirmed 7 days ago
B
Retailer 18
-
$677 USD
€645 EUR
View
Retailer 19
-
$682 USD
A$1,049 AUD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$865 USD
£681 GBP
View
Most Expensive
B
MOH London
CD984B5AA · Oct 26
$983 USD
£774 GBP
View
20 more retailers have this diamond
Prices start from $311 USDSave up to $672 USD

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
$311 USD