Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG673415696

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG673415696

Diamond specifications and retailer prices

From €3,455 EUR
$3,860 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: €3,455 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 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG673415696 or 673415696. 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

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673415696
Dimensions11.99 × 6.12 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.99 mm6.12 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673415696
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

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: €3,455 EUR|Low: €2,187 EUR|High: €3,455 EUR|Avg: €3,244 EUR
Brilliant Earth
Retailer 2
February 6, 2026
Retailer 2€2,187 EUR
Brilliant Earth€3,455 EUR

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
16298964A · Oct 31
€3,455 EUR
$3,860 USD
View

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B
1.51ct Marquise
€3,455 EUR