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Round|Lab Grown|IGI

0.42ct E I1 Round Lab Grown Diamond

ID • E/I1 • IGI LG442068916

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442068916

Diamond specifications and retailer prices

From £168 GBP
$224 USD
As of October 27, 2026
Save £191 GBP (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £844 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG442068916 or 442068916. Listed at 5 retailers as of October 27, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
E
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442068916
Dimensions4.77 × 4.80 × 2.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.77 mm4.80 mm0.42 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442068916
Side View
Table 55.5%Crown 35.7°Girdle: THN-STKPavilion 40°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £844 GBP|Low: £168 GBP|High: £850 GBP|Avg: £363 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 5£168 GBP
Retailer 4£179 GBP
Retailer 3£313 GBP
Retailer 2£360 GBP
MOH London£844 GBP

14 data points across 5 retailers

5 retailers£168 GBP to £360 GBP

B+
Cheapest Retailer
-
£168 GBP
$224 USD
B+
Retailer 2
-
£179 GBP
$239 USD
View
B
Retailer 3
-
£313 GBP
$417 USD
View
B
Retailer 4
-
£360 GBP
€456 EUR
View
Most Expensive
MOH London
LG442068916 · Oct 29
£844 GBP
View
Price under review
4 more retailers have this diamond
Prices start from £168 GBPSave up to £191 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.

B+
0.42ct Round
£168 GBP