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Marquise|Lab Grown|IGI

0.40ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG533215523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG533215523

Diamond specifications and retailer prices

From $145 CAD
$104 USD
As of October 30, 2026
Save $432 CAD (75%) vs most expensive(unlock to see where)
12 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533215523 or 533215523. Listed at 12 retailers as of October 30, 2026, with a 297% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533215523
Dimensions7.61 × 3.94 × 2.37 mm
L/W Ratio1.93
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
7.61 mm3.94 mm0.40 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG533215523
Side View
Table 63.0%Crown 28.6°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.2%

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: $452 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$145 CAD
Retailer 10$168 CAD
Retailer 7$191 CAD
Retailer 11$191 CAD
Retailer 4$321 CAD
Retailer 2$352 CAD
Retailer 9$362 CAD
Retailer 5$460 CAD
Retailer 3$495 CAD
Retailer 8$577 CAD
MOH London$1,506 CAD

45 data points across 11 retailers

12 retailers$145 CAD to $577 CAD

A
Cheapest Retailer
-
$145 CAD
$104 USD
A
Retailer 2
-
$168 CAD
$120 USD
View
A
Retailer 3
-
$191 CAD
$137 USD
View
Retailer 4
-
$191 CAD
$137 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$321 CAD
$230 USD
View
B+
Retailer 6
-
$340 CAD
HK$1,900 HKD
View
B+
Retailer 7
-
$352 CAD
£198 GBP
View
B+
Retailer 8
-
$362 CAD
$259 USD
View
B+
Retailer 9
-
$460 CAD
£260 GBP
View
B
Retailer 10
-
$495 CAD
$354 USD
View
B
Retailer 11
-
$577 CAD
$413 USD
View
Most Expensive
MOH London
LG533215523 · Oct 29
$1,506 CAD
£849 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $145 CADSave up to $432 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