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Marquise|Lab Grown|IGI

0.40ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG538287035

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538287035

Diamond specifications and retailer prices

From $145 CAD
$104 USD
As of October 30, 2026
Save $1,361 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,506 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538287035 or 538287035. Listed at 10 retailers as of October 29, 2026, with prices from $145 to $1,506, a $1,361 spread on the same certified stone. MOH London lists it at $1,506. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538287035
Dimensions7.57 × 3.87 × 2.19 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.57 mm3.87 mm0.40 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538287035
Side View
Table 59.5%Crown 35.9°Girdle: MED-THKPavilion 35°Culet: NoneDepth 56.6%

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: Oct 30
Current: $1,506 CAD|Low: $138 CAD|High: $1,515 CAD|Avg: $461 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$145 CAD
Retailer 8$168 CAD
Retailer 5$191 CAD
Retailer 9$191 CAD
Retailer 2$293 CAD
Retailer 11$322 CAD
Retailer 7$362 CAD
Retailer 3$427 CAD
Retailer 10$496 CAD
Retailer 6$577 CAD
MOH London$1,506 CAD

16 data points across 11 retailers

10 retailers$145 CAD to $1,506 CAD

A
Cheapest Retailer
-
$145 CAD
$104 USD
A
Retailer 2
-
$168 CAD
$120 USD
View
A
Retailer 3
-
$191 CAD
$137 USD
View
A
Retailer 4
-
$191 CAD
$137 USD
View
B+
Retailer 5
-
$293 CAD
$210 USD
View
B+
Retailer 6
-
$322 CAD
HK$1,800 HKD
View
B+
Retailer 7
-
$362 CAD
$259 USD
View
B
Retailer 8
-
$496 CAD
$355 USD
View
B
Retailer 9
-
$577 CAD
$413 USD
View
Most Expensive
B
MOH London
LG538287035 · Oct 29
$1,506 CAD
£849 GBP
View
9 more retailers have this diamond
Prices start from $145 CADSave up to $1,361 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
$145 CAD