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Asscher|Lab Grown|IGI

1.09ct F SI1 Asscher Lab Grown Diamond

EX • F/SI1 • IGI LG639463701

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG639463701

Diamond specifications and retailer prices

From $503 USD
£396 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $503 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 1.09ct lab-grown asscher diamond

This 1.09ct lab-grown asscher sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG639463701 or 639463701. Listed at a single retailer as of November 2, 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

1.09
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639463701
Dimensions5.75 × 5.68 × 3.75 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.75 mm5.68 mm1.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639463701
Side View
Table 64.0%Crown 35.9°Girdle: MediumPavilion 39.8°CuletDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $503 USD|Low: $503 USD|High: $503 USD|Avg: $503 USD
September 26, 2026
Diamond Quarter$503 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.09SI1FLG017EF4N · Nov 2
$503 USD
£396 GBP
View

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B
1.09ct Asscher
$503 USD