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Marquise|Lab Grown|IGI

0.38ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG311690073

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG311690073

Diamond specifications and retailer prices

From $308 CAD
$220 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $308 CAD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 0.38ct lab-grown marquise diamond

This 0.38ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG311690073 or 311690073. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.38
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG311690073
Dimensions7.64 × 3.64 × 2.31 mm
L/W Ratio2.10
Culet sizeNone
Top View
7.64 mm3.64 mm0.38 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG311690073
Side View
Table 59.0%Crown 34°Girdle: THN-VTKPavilion 41.2°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $308 CAD|Low: $297 CAD|High: $308 CAD|Avg: $303 CAD
Brilliant Earth
Retailer 2
February 6, 2026
Retailer 2$297 CAD
Brilliant Earth$308 CAD

20 data points across 2 retailers

1 retailer

B+
Brilliant Earth
4764137Y · Oct 28
$308 CAD
$220 USD
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B+
0.38ct Marquise
$308 CAD