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Round|Lab Grown|IGI

1.57ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG542238029

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542238029

Diamond specifications and retailer prices

From €863 EUR
$960 USD
As of October 29, 2026
2 retailers carry this diamond
Only listing: €863 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 round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542238029 or 542238029. Listed at 2 retailers as of October 29, 2026. 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

1.57
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542238029
Dimensions7.46 × 7.41 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.46 mm7.41 mm1.57 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542238029
Side View
Table 57.5%Crown 35.3°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €863 EUR|Low: €428 EUR|High: €10,173 EUR|Avg: €1,045 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
February 24, 2026
Retailer 5€428 EUR
Retailer 3€603 EUR
Retailer 4€767 EUR
Brilliant Earth€863 EUR
Retailer 2€10,173 EUR

27 data points across 5 retailers

2 retailers

B
Brilliant Earth
16800944Y · Oct 29
€863 EUR
$960 USD
View

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B
1.57ct Round
€863 EUR