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Marquise|Natural|IGI

0.40ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 810631815

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 810631815

Diamond specifications and retailer prices

From €260 EUR
₹27,806 INR
As of November 3, 2026
Save €562 EUR (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €822 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 810631815. Listed at 7 retailers as of November 2, 2026, with prices from €260 to €822, a €562 spread on the same certified stone. MOH London lists it at €822. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 810631815
Dimensions7.73 × 3.92 × 2.29 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizeNone
Top View
7.73 mm3.92 mm0.40 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 810631815
Side View
Table 66.0%Crown 33.4°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 58.4%

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 3
Current: €822 EUR|Low: €260 EUR|High: €832 EUR|Avg: €515 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 2€260 EUR
Retailer 5€383 EUR
Retailer 4€488 EUR
Retailer 6€505 EUR
Retailer 3€587 EUR
MOH London€822 EUR

42 data points across 6 retailers

7 retailers€260 EUR to €822 EUR

A
Cheapest Retailer
-
€260 EUR
₹27,806 INR
B+
Retailer 2
-
€383 EUR
$430 USD
View
B
Retailer 3
-
€473 EUR
$530 USD
View
B
Retailer 4
-
€488 EUR
£431 GBP
View
B
Retailer 5
-
€505 EUR
$566 USD
View
B
Retailer 6
-
€587 EUR
View
Most Expensive
C
MOH London
FAC90A8B4 · Nov 2
€822 EUR
£726 GBP
View
6 more retailers have this diamond
Prices start from €260 EURSave up to €562 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
€260 EUR