Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6562720666

Certificate GIA 6562720666

Diamond specifications and retailer prices

From $468 USD
As of November 1, 2026
Save $675 USD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,143 USD at MOH London · As of November 1, 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 6562720666. Listed at 15 retailers as of November 1, 2026, with prices from $468 to $1,143, a $675 spread on the same certified stone. MOH London lists it at $1,143. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562720666
Dimensions7.61 × 3.86 × 2.36 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.61 mm3.86 mm0.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562720666
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.1%

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 1
Current: $1,143 USD|Low: $468 USD|High: $1,896 USD|Avg: $729 USD
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
November 2, 2026
Retailer 3$468 USD
Retailer 7$495 USD
Retailer 5$533 USD
Retailer 6$533 USD
Retailer 11$571 USD
Retailer 12$618 USD
Retailer 9$618 USD
Retailer 8$670 USD
Retailer 15$678 USD
Retailer 10$695 USD
Retailer 4$696 USD
Retailer 13$767 USD
Retailer 2$1,001 USD
MOH London$1,143 USD
Retailer 14$1,896 USD

6 data points across 15 retailers

15 retailers$468 USD to $1,143 USD

B+
Cheapest Retailer
-
$468 USD
B+
Retailer 2
-
$495 USD
View
B+
Retailer 3
-
$533 USD
View
B+
Retailer 4
-
$533 USD
View
B
Retailer 5
-
$571 USD
View
B
Retailer 6
-
$618 USD
View
B+
Retailer 7
-
$618 USD
£487 GBP
View
B
Retailer 8
-
$670 USD
€638 EUR
View
B
Retailer 9
-
$678 USD
£534 GBP
View
B
Retailer 10
-
$695 USD
View
B
Retailer 11
-
$696 USD
View
B
Retailer 12
-
$767 USD
ZAR 12,391 ZAR
View
B
Retailer 13
-
$1,001 USD
£788 GBP
View
Most Expensive
B
MOH London
77A188457 · Nov 1
$1,143 USD
£900 GBP
View
13 more retailers have this diamond
Prices start from $468 USDSave up to $675 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.

B+
0.40ct Marquise
$468 USD