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Heart|Lab Grown|IGI

0.42ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG811670915

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811670915

Diamond specifications and retailer prices

From £82 GBP
$109 USD
As of October 30, 2026
Save £289 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £855 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.42ct lab-grown heart diamond

This 0.42ct lab-grown heart sits in the sub-half-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811670915 or 811670915. Listed at 13 retailers as of October 29, 2026, with a 353% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811670915
Dimensions4.38 × 5.26 × 3.17 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.38 mm5.26 mm0.42 ctE / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG811670915
Side View
Table 69.0%Crown 40°Girdle: MED-STKPavilion 43.3°Culet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £855 GBP|Low: £79 GBP|High: £861 GBP|Avg: £233 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4£82 GBP
Retailer 8£92 GBP
Retailer 7£95 GBP
Retailer 6£109 GBP
Retailer 10£143 GBP
Retailer 9£185 GBP
Retailer 2£204 GBP
Retailer 3£246 GBP
Retailer 5£255 GBP
MOH London£855 GBP

43 data points across 10 retailers

13 retailers£82 GBP to £371 GBP

A
Cheapest Retailer
-
£82 GBP
$109 USD
A
Retailer 2
-
£92 GBP
$123 USD
View
Final sale: no returns
A
Retailer 3
-
£95 GBP
$127 USD
View
A
Retailer 4
-
£109 GBP
$145 USD
View
A
Retailer 5
-
£115 GBP
HK$1,200 HKD
View
A
Retailer 6
-
£143 GBP
$190 USD
View
B+
Retailer 7
-
£185 GBP
$246 USD
View
B+
Retailer 8
-
£204 GBP
View
B+
Retailer 9
-
£246 GBP
View
B+
Retailer 10
-
£255 GBP
$340 USD
View
B
Retailer 11
-
£287 GBP
SGD 517 SGD
View
B
Retailer 12
-
£371 GBP
$494 USD
View
Most Expensive
MOH London
LG811670915 · Oct 29
£855 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £82 GBPSave up to £289 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 Heart
£82 GBP