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Marquise|Lab Grown|IGI

1.57ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG361136089

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG361136089

Diamond specifications and retailer prices

From €3,067 EUR
$3,440 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €3,067 EUR 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 1.57ct lab-grown marquise diamond

This 1.57ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG361136089 or 361136089. Listed at a single retailer as of October 31, 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

1.57
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG361136089
Dimensions11.43 × 6.22 × 3.89 mm
L/W Ratio1.84
Culet sizeNone
Top View
11.43 mm6.22 mm1.57 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG361136089
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €3,067 EUR|Low: €3,067 EUR|High: €3,076 EUR|Avg: €3,071 EUR|-0.3%
October 13, 2026
Brilliant Earth€3,067 EUR

2 data points across 1 retailer

1 retailer

B
Brilliant Earth
20063542Y · Oct 31
€3,067 EUR
$3,440 USD
View

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B
1.57ct Marquise
€3,067 EUR