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Asscher|Lab Grown|IGI

3.03ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG666401290

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG666401290

Diamond specifications and retailer prices

From €1,466 EUR
£1,285 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: €1,466 EUR 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 3.03ct lab-grown asscher diamond

This 3.03ct 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 LG666401290 or 666401290. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666401290
Dimensions8.04 × 7.97 × 5.29 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm7.97 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666401290
Side View
Table 70.0%Crown 38.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 66.4%

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: €860 EUR|Low: €644 EUR|High: €4,546 EUR|Avg: €2,557 EUR|+22.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
April 4, 2026
Retailer 4€644 EUR
Retailer 1€860 EUR
Retailer 5€2,790 EUR
Retailer 3€3,279 EUR
Retailer 2€4,465 EUR

21 data points across 5 retailers

1 retailer

B
Diamond Quarter
3.03SI1ELG90121EN · Oct 29
€1,466 EUR
£1,285 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
3.03ct Asscher
€1,466 EUR