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Asscher|Lab Grown|IGI

0.99ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG677553962

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG677553962

Diamond specifications and retailer prices

From $443 USD
£349 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $443 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 0.99ct lab-grown asscher diamond

This 0.99ct lab-grown asscher sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677553962 or 677553962. 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

0.99
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677553962
Dimensions5.50 × 5.42 × 3.64 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.50 mm5.42 mm0.99 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677553962
Side View
Table 65.0%Crown 35.5°Girdle: MediumPavilion 40.5°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: $443 USD|Low: $443 USD|High: $443 USD|Avg: $443 USD
September 26, 2026
Diamond Quarter$443 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
0.99SI1ELG62A356N · Oct 29
$443 USD
£349 GBP
View

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B
0.99ct Asscher
$443 USD