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Asscher|Lab Grown|IGI

1.51ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG660423826

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG660423826

Diamond specifications and retailer prices

From €511 EUR
£450 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €511 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 1.51ct lab-grown asscher diamond

This 1.51ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660423826 or 660423826. Listed at a single retailer as of October 31, 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660423826
Dimensions6.35 × 6.22 × 4.09 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.35 mm6.22 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660423826
Side View
Table 68.0%Crown 46°Girdle: Slightly ThickPavilion 30.6°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €245 EUR|Low: €98 EUR|High: €431 EUR|Avg: €315 EUR|-5.9%
Retailer 1
Retailer 2
Retailer 3
June 14, 2026
Retailer 1€245 EUR
Retailer 3€357 EUR
Retailer 2€426 EUR

14 data points across 3 retailers

1 retailer

B+
Diamond Quarter
1.51SI1ELG26566AN · Oct 31
€511 EUR
£450 GBP
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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+
1.51ct Asscher
€511 EUR