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Asscher|Lab Grown|IGI

1.48ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG640422413

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG640422413

Diamond specifications and retailer prices

From £436 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £436 GBP 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 1.48ct lab-grown asscher diamond

This 1.48ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640422413 or 640422413. 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

1.48
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640422413
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm1.48 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640422413
Side View
Table 68.0%Crown 35.4°Girdle: MediumPavilion 39°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £419 GBP|Low: £228 GBP|High: £1,373 GBP|Avg: £706 GBP|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 18, 2026
Retailer 2£228 GBP
Retailer 4£280 GBP
Retailer 1£419 GBP
Retailer 6£868 GBP
Retailer 3£993 GBP
Retailer 5£1,373 GBP

31 data points across 6 retailers

1 retailer

B
Diamond Quarter
1.48SI1DLG134C4FN · Oct 31
£436 GBP
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B
1.48ct Asscher
£436 GBP