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Marquise|Natural|IGI

0.40ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 815673826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673826

Diamond specifications and retailer prices

From $400 CAD
₹27,254 INR
As of November 1, 2026
Save $865 CAD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,265 CAD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815673826. Listed at 14 retailers as of November 1, 2026, with prices from $400 to $1,265, a $865 spread on the same certified stone. MOH London lists it at $1,265. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 815673826
Dimensions7.38 × 4.08 × 2.30 mm
L/W Ratio1.81
Girdle conditionFaceted
Top View
7.38 mm4.08 mm0.40 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 815673826
Side View
Table 65.0%Crown 33.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 56.4%

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 1
Current: $1,265 CAD|Low: $400 CAD|High: $2,098 CAD|Avg: $860 CAD|-4.6%
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
November 1, 2026
Retailer 2$400 CAD
Retailer 13$548 CAD
Retailer 11$589 CAD
Retailer 12$589 CAD
Retailer 8$629 CAD
Retailer 14$631 CAD
Retailer 5$730 CAD
Retailer 7$741 CAD
Retailer 4$781 CAD
Retailer 10$849 CAD
Retailer 9$904 CAD
Retailer 6$1,121 CAD
MOH London$1,265 CAD
Retailer 3$2,098 CAD

35 data points across 14 retailers

14 retailers$400 CAD to $1,265 CAD

A
Cheapest Retailer
-
$400 CAD
₹27,254 INR
B+
Retailer 2
-
$548 CAD
$392 USD
View
B+
Retailer 3
-
$589 CAD
$422 USD
View
B+
Retailer 4
-
$589 CAD
$422 USD
View
B
Retailer 5
-
$629 CAD
$450 USD
View
B
Retailer 6
-
$631 CAD
$452 USD
View
B
Retailer 7
-
$730 CAD
$523 USD
View
B
Retailer 8
-
$741 CAD
£418 GBP
View
B
Retailer 9
-
$781 CAD
$559 USD
View
B
Retailer 10
-
$849 CAD
ZAR 9,816 ZAR
View
B
Retailer 11
-
$904 CAD
€616 EUR
View
Retailer 12
-
$1,121 CAD
£632 GBP
View
Price last confirmed 32 days ago
Most Expensive
C
MOH London
DE12E4703 · Nov 1
$1,265 CAD
£713 GBP
View
12 more retailers have this diamond
Prices start from $400 CADSave up to $865 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.

A
0.40ct Marquise
$400 CAD