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Marquise|Lab Grown|IGI

1.18ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG361737075

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG361737075

Diamond specifications and retailer prices

From $3,129 CAD
$2,240 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $3,129 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 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG361737075 or 361737075. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG361737075
Dimensions10.39 × 5.67 × 3.53 mm
L/W Ratio1.83
Culet sizeNone
Top View
10.39 mm5.67 mm1.18 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG361737075
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $3,129 CAD|Low: $3,129 CAD|High: $3,227 CAD|Avg: $3,178 CAD|-3.0%
October 4, 2026
Brilliant Earth$3,129 CAD

2 data points across 1 retailer

1 retailer

B
Brilliant Earth
20802106Y · Oct 30
$3,129 CAD
$2,240 USD
View

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B
1.18ct Marquise
$3,129 CAD