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Heart|Lab Grown|IGI

0.42ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG729566727

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG729566727

Diamond specifications and retailer prices

From £81 GBP
$108 USD
As of October 30, 2026
Save £284 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £839 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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729566727 or 729566727. Listed at 13 retailers as of October 30, 2026, with a 352% 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
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729566727
Dimensions4.51 × 5.21 × 3.07 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.51 mm5.21 mm0.42 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG729566727
Side View
Table 57.0%Crown 39.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 58.9%

Caratlytics Score

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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: £839 GBP|Low: £78 GBP|High: £845 GBP|Avg: £226 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5£81 GBP
Retailer 8£90 GBP
Retailer 7£93 GBP
Retailer 6£107 GBP
Retailer 10£140 GBP
Retailer 9£182 GBP
Retailer 2£199 GBP
Retailer 3£241 GBP
Retailer 4£254 GBP
MOH London£839 GBP

43 data points across 10 retailers

13 retailers£81 GBP to £364 GBP

A
Cheapest Retailer
-
£81 GBP
$108 USD
A
Retailer 2
-
£90 GBP
$121 USD
View
Final sale: no returns
A
Retailer 3
-
£93 GBP
$125 USD
View
A
Retailer 4
-
£107 GBP
$143 USD
View
A
Retailer 5
-
£115 GBP
HK$1,200 HKD
View
A
Retailer 6
-
£140 GBP
$188 USD
View
B+
Retailer 7
-
£182 GBP
$244 USD
View
B+
Retailer 8
-
£199 GBP
View
B+
Retailer 9
-
£241 GBP
View
B+
Retailer 10
-
£254 GBP
$340 USD
View
B+
Retailer 11
-
£254 GBP
$340 USD
View
B
Retailer 12
-
£364 GBP
$488 USD
View
Most Expensive
MOH London
LG729566727 · Oct 29
£839 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £81 GBPSave up to £284 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
£81 GBP