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Asscher|Lab Grown|IGI

1.57ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG639415479

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG639415479

Diamond specifications and retailer prices

From $1,073 NZD
£475 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,073 NZD 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 LG639415479 or 639415479. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639415479
Dimensions6.41 × 6.29 × 4.24 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.41 mm6.29 mm1.57 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639415479
Side View
Table 66.0%Crown 37.3°Girdle: MediumPavilion 39.6°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $507 NZD|Low: $201 NZD|High: $880 NZD|Avg: $653 NZD|-6.0%
Retailer 1
Retailer 2
Retailer 3
June 14, 2026
Retailer 1$507 NZD
Retailer 3$728 NZD
Retailer 2$862 NZD

16 data points across 3 retailers

1 retailer

B+
Diamond Quarter
1.57SI1ELG79F746N · Oct 29
$1,073 NZD
£475 GBP
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Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.57ct Asscher
$1,073 NZD