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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 €261 EUR
₹27,815 INR
As of November 2, 2026
Save €568 EUR (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €830 EUR 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 810631815. Listed at 7 retailers as of October 29, 2026, with prices from €261 to €830, a €568 spread on the same certified stone. MOH London lists it at €830. 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
Colour
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 2
Current: €830 EUR|Low: €261 EUR|High: €836 EUR|Avg: €516 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2€261 EUR
Retailer 5€385 EUR
Retailer 4€490 EUR
Retailer 6€507 EUR
Retailer 3€589 EUR
MOH London€830 EUR

42 data points across 6 retailers

7 retailers€261 EUR to €830 EUR

A
Cheapest Retailer
-
€261 EUR
₹27,815 INR
B+
Retailer 2
-
€385 EUR
$430 USD
View
B
Retailer 3
-
€474 EUR
$530 USD
View
B
Retailer 4
-
€490 EUR
£431 GBP
View
B
Retailer 5
-
€507 EUR
$566 USD
View
B
Retailer 6
-
€589 EUR
View
Most Expensive
C
MOH London
FAC90A8B4 · Oct 29
€830 EUR
£730 GBP
View
6 more retailers have this diamond
Prices start from €261 EURSave up to €568 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
€261 EUR