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Marquise|Natural|IGI

0.40ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 797618199

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 797618199

Diamond specifications and retailer prices

From $692 CAD
£390 GBP
As of October 31, 2026
Save $500 CAD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,192 CAD 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 797618199. Listed at 5 retailers as of October 29, 2026, with prices from $692 to $1,192, a $500 spread on the same certified stone. MOH London lists it at $1,192. 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
I
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.3°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 797618199
Dimensions6.67 × 3.81 × 2.53 mm
L/W Ratio1.75
Girdle conditionFaceted
Culet sizePointed
Top View
6.67 mm3.81 mm0.40 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 797618199
Side View
Table 62.0%Crown 39.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 66.4%

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: Oct 31
Current: $1,192 CAD|Low: $461 CAD|High: $1,201 CAD|Avg: $799 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$461 CAD
Retailer 2$692 CAD
Retailer 5$739 CAD
Retailer 3$943 CAD
MOH London$1,192 CAD

27 data points across 5 retailers

5 retailers$692 CAD to $1,192 CAD

Retailer 1
-
$461 CAD
$330 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
$692 CAD
£390 GBP
View
B+
Retailer 3
-
$739 CAD
$529 USD
View
B
Retailer 4
-
$943 CAD
€643 EUR
View
Most Expensive
B
MOH London
15C1445C5 · Oct 29
$1,192 CAD
£672 GBP
View
4 more retailers have this diamond
Prices start from $692 CADSave up to $500 CAD

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
$692 CAD