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Asscher|Lab Grown|IGI

0.42ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG844620326

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG844620326

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of October 30, 2026
Save £563 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £690 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown asscher diamond

This 0.42ct lab-grown asscher sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844620326 or 844620326. Listed at 9 retailers as of October 29, 2026, with prices from £127 to £690, a £563 spread on the same certified stone. MOH London lists it at £690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle44.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844620326
Dimensions4.20 × 4.03 × 2.75 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.20 mm4.03 mm0.42 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844620326
Side View
Table 68.0%Crown 34.5°Girdle: ThickPavilion 44.7°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £690 GBP|Low: £127 GBP|High: £690 GBP|Avg: £270 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£127 GBP
Retailer 5£160 GBP
Retailer 3£176 GBP
Retailer 2£182 GBP
Retailer 4£226 GBP
Retailer 7£263 GBP
Retailer 8£344 GBP
MOH London£690 GBP

14 data points across 8 retailers

9 retailers£127 GBP to £690 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
Retailer 2
-
£160 GBP
$215 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£176 GBP
€224 EUR
View
B+
Retailer 4
-
£182 GBP
View
B+
Retailer 5
-
£226 GBP
View
B
Retailer 6
-
£246 GBP
$330 USD
View
B
Retailer 7
-
£263 GBP
$352 USD
View
B
Retailer 8
-
£344 GBP
$461 USD
View
Most Expensive
B
MOH London
LG844620326 · Oct 29
£690 GBP
View
8 more retailers have this diamond
Prices start from £127 GBPSave up to £563 GBP

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.

A
0.42ct Asscher
£127 GBP