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Marquise|Natural|IGI

0.40ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 810631818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 810631818

Diamond specifications and retailer prices

From €240 EUR
₹25,537 INR
As of November 2, 2026
Save €522 EUR (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €762 EUR 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 810631818. Listed at 7 retailers as of November 1, 2026, with prices from €240 to €762, a €522 spread on the same certified stone. MOH London lists it at €762. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.3°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 810631818
Dimensions7.83 × 3.89 × 2.18 mm
L/W Ratio2.01
Girdle conditionFaceted
Top View
7.83 mm3.89 mm0.40 ctH / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 810631818
Side View
Table 64.0%Crown 35.3°Girdle: MED-THKPavilion 38.2°CuletDepth 56.0%

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: €762 EUR|Low: €240 EUR|High: €771 EUR|Avg: €481 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2€240 EUR
Retailer 5€355 EUR
Retailer 4€452 EUR
Retailer 6€481 EUR
Retailer 3€549 EUR
MOH London€762 EUR

42 data points across 6 retailers

7 retailers€240 EUR to €762 EUR

A
Cheapest Retailer
-
€240 EUR
₹25,537 INR
B+
Retailer 2
-
€355 EUR
$397 USD
View
B
Retailer 3
-
€447 EUR
$499 USD
View
B
Retailer 4
-
€452 EUR
£397 GBP
View
B
Retailer 5
-
€481 EUR
$537 USD
View
B
Retailer 6
-
€549 EUR
View
Most Expensive
C
MOH London
9F6294FE7 · Nov 1
€762 EUR
£670 GBP
View
6 more retailers have this diamond
Prices start from €240 EURSave up to €522 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
€240 EUR