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Asscher|Lab Grown|IGI

1.57ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG636467488

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG636467488

Diamond specifications and retailer prices

From $656 USD
£517 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $656 USD at Diamond Quarter
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 Diamond Quarter

About this 1.57ct lab-grown asscher diamond

This 1.57ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636467488 or 636467488. Listed at a single retailer as of October 29, 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

1.57
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636467488
Dimensions6.30 × 6.25 × 4.36 mm
L/W Ratio1.01
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
6.30 mm6.25 mm1.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636467488
Side View
Table 67.0%Crown 33.7°Girdle: MediumPavilion 42.9°CuletDepth 69.8%

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: $656 USD|Low: $656 USD|High: $656 USD|Avg: $656 USD
September 26, 2026
Diamond Quarter$656 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.57SI1ELG888074N · Oct 29
$656 USD
£517 GBP
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B
1.57ct Asscher
$656 USD