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Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG799666044

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799666044

Diamond specifications and retailer prices

From £230 GBP
As of October 30, 2026
Save £396 GBP (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £626 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799666044 or 799666044. Listed at 5 retailers as of October 26, 2026, with prices from £230 to £626, a £396 spread on the same certified stone. MOH London lists it at £626. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799666044
Dimensions5.56 × 5.04 × 3.14 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.56 mm5.04 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799666044
Side View
Table 65.0%Crown 32.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 56.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £626 GBP|Low: £190 GBP|High: £668 GBP|Avg: £394 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£190 GBP
Retailer 2£230 GBP
Retailer 3£249 GBP
Retailer 4£359 GBP
Retailer 6£471 GBP
MOH London£626 GBP
Retailer 5£668 GBP

41 data points across 7 retailers

5 retailers£230 GBP to £626 GBP

B+
Cheapest Retailer
-
£230 GBP
B+
Retailer 2
-
£249 GBP
$331 USD
View
B
Retailer 3
-
£359 GBP
$478 USD
View
B
Retailer 4
-
£471 GBP
$628 USD
View
Most Expensive
B
MOH London
LG799666044 · Oct 26
£626 GBP
View
4 more retailers have this diamond
Prices start from £230 GBPSave up to £396 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+
0.51ct Heart
£230 GBP