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Marquise|Lab Grown|IGI

0.43ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG303160024

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG303160024

Diamond specifications and retailer prices

From $434 CAD
$310 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $434 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 0.43ct lab-grown marquise diamond

This 0.43ct 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 LG303160024 or 303160024. 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

0.43
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG303160024
Dimensions7.83 × 3.93 × 2.42 mm
L/W Ratio1.99
Culet sizeNone
Top View
7.83 mm3.93 mm0.43 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG303160024
Side View
Table 54.0%Crown 33°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $434 CAD|Low: $329 CAD|High: $476 CAD|Avg: $403 CAD|-8.8%
Brilliant Earth
Retailer 2
October 9, 2026
Retailer 2$329 CAD
Brilliant Earth$434 CAD

8 data points across 2 retailers

1 retailer

B
Brilliant Earth
4142441Y · Oct 28
$434 CAD
$310 USD
View

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B
0.43ct Marquise
$434 CAD