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Asscher|Lab Grown|IGI

3.09ct E SI1 Asscher Lab Grown Diamond

EX • E/SI1 • IGI LG680573976

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG680573976

Diamond specifications and retailer prices

From $1,254 USD
£988 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,254 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 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG680573976 or 680573976. 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

3.09
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680573976
Dimensions8.01 × 7.98 × 5.29 mm
L/W Ratio1.00
Top View
8.01 mm7.98 mm3.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680573976
Side View
Table 64.0%Crown 34°Girdle: MediumPavilion 40°CuletDepth 66.3%

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: $1,254 USD|Low: $1,254 USD|High: $1,254 USD|Avg: $1,254 USD
September 26, 2026
Diamond Quarter$1,254 USD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
3.09SI1ELG76A7D3N · Oct 29
$1,254 USD
£988 GBP
View

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
3.09ct Asscher
$1,254 USD