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Asscher|Lab Grown|IGI

1.39ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG639429571

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG639429571

Diamond specifications and retailer prices

From $549 USD
£433 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $549 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 1.39ct lab-grown asscher diamond

This 1.39ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG639429571 or 639429571. 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

1.39
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639429571
Dimensions6.16 × 6.07 × 4.08 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.16 mm6.07 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639429571
Side View
Table 65.0%Crown 37.9°Girdle: Slightly ThickPavilion 40.2°CuletDepth 67.2%

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: $549 USD|Low: $549 USD|High: $549 USD|Avg: $549 USD
September 26, 2026
Diamond Quarter$549 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.39SI1ELG7115BEN · Oct 29
$549 USD
£433 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
1.39ct Asscher
$549 USD