Asscher|Lab Grown|IGI

3.10ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG683503746

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG683503746

Diamond specifications and retailer prices

From $1,247 USD
£982 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,247 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 3.1ct lab-grown asscher diamond

This 3.1ct 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 LG683503746 or 683503746. 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

3.10
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683503746
Dimensions8.05 × 7.95 × 5.35 mm
L/W Ratio1.01
Culet sizePointed
Top View
8.05 mm7.95 mm3.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683503746
Side View
Table 66.0%Crown 35.7°Girdle: MediumPavilion 40.4°Culet: NoneDepth 67.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $655 USD|Low: $247 USD|High: $846 USD|Avg: $653 USD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
June 15, 2026
Retailer 2$520 USD
Retailer 1$655 USD
Retailer 3$827 USD
Retailer 4$834 USD

16 data points across 4 retailers

1 retailer

B+
Diamond Quarter
3.1SI1ELG464CABN · Oct 29
$1,247 USD
£982 GBP
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B+
3.10ct Asscher
$1,247 USD