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Marquise|Natural|GIA

0.40ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6562720666

Certificate GIA 6562720666

Diamond specifications and retailer prices

From $832 NZD
$468 USD
As of November 1, 2026
Save $1,200 NZD (59%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,031 NZD 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 6562720666. Listed at 15 retailers as of November 1, 2026, with prices from $832 to $2,031, a $1,200 spread on the same certified stone. MOH London lists it at $2,031. 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
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: $2,031 NZD|Low: $832 NZD|High: $3,370 NZD|Avg: $1,306 NZD
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 3, 2026
Retailer 4$832 NZD
Retailer 7$880 NZD
Retailer 6$947 NZD
Retailer 9$947 NZD
Retailer 10$1,015 NZD
Retailer 14$1,098 NZD
Retailer 2$1,099 NZD
Retailer 12$1,191 NZD
Retailer 3$1,205 NZD
Retailer 13$1,235 NZD
Retailer 5$1,237 NZD
Retailer 15$1,363 NZD
Retailer 11$1,779 NZD
MOH London$2,031 NZD
Retailer 8$3,370 NZD

7 data points across 15 retailers

15 retailers$832 NZD to $2,031 NZD

B+
Cheapest Retailer
-
$832 NZD
$468 USD
B+
Retailer 2
-
$880 NZD
$495 USD
View
B+
Retailer 3
-
$947 NZD
$533 USD
View
B+
Retailer 4
-
$947 NZD
$533 USD
View
B
Retailer 5
-
$1,015 NZD
$571 USD
View
B
Retailer 6
-
$1,098 NZD
$618 USD
View
B+
Retailer 7
-
$1,099 NZD
£487 GBP
View
B
Retailer 8
-
$1,191 NZD
€638 EUR
View
B
Retailer 9
-
$1,205 NZD
£534 GBP
View
B
Retailer 10
-
$1,235 NZD
$695 USD
View
B
Retailer 11
-
$1,237 NZD
$696 USD
View
B
Retailer 12
-
$1,363 NZD
ZAR 12,391 ZAR
View
B
Retailer 13
-
$1,779 NZD
£788 GBP
View
Most Expensive
B
MOH London
77A188457 · Nov 2
$2,031 NZD
£900 GBP
View
13 more retailers have this diamond
Prices start from $832 NZDSave up to $1,200 NZD

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
$832 NZD