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Asscher|Lab Grown|IGI

4.01ct H VS1 Asscher Lab Grown Diamond

EX • H/VS1 • IGI LG628480311

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG628480311

Diamond specifications and retailer prices

From £1,046 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: £1,046 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 4.01ct lab-grown asscher diamond

This 4.01ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628480311 or 628480311. 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. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.01
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628480311
Dimensions9.02 × 8.76 × 5.51 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.02 mm8.76 mm4.01 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628480311
Side View
Table 69.0%Crown 31.4°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 62.9%

Caratlytics Score

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

Last verified: Oct 31
Current: £1,046 GBP|Low: £416 GBP|High: £2,337 GBP|Avg: £1,323 GBP
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
September 26, 2026
Retailer 4£417 GBP
Retailer 3£713 GBP
Diamond Quarter£1,046 GBP
Retailer 5£1,683 GBP
Retailer 2£2,336 GBP

10 data points across 5 retailers

1 retailer

B+
Diamond Quarter
4.01VS1HLG114334N · Oct 31
£1,046 GBP
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B+
4.01ct Asscher
£1,046 GBP