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Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG839690497

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839690497

Diamond specifications and retailer prices

From £122 GBP
$162 USD
As of October 28, 2026
Save £537 GBP (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £659 GBP at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG839690497 or 839690497. Listed at 5 retailers as of October 28, 2026, with prices from £122 to £659, a £537 spread on the same certified stone. MOH London lists it at £659. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839690497
Dimensions5.37 × 5.37 × 3.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.37 mm5.37 mm0.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839690497
Side View
Table 66.0%Crown 34.3°Girdle: STK-THKPavilion 38.6°CuletDepth 55.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £659 GBP|Low: £122 GBP|High: £659 GBP|Avg: £316 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4£122 GBP
Retailer 2£169 GBP
Retailer 3£215 GBP
Retailer 5£331 GBP
MOH London£659 GBP

9 data points across 5 retailers

5 retailers£122 GBP to £659 GBP

A
Cheapest Retailer
-
£122 GBP
$162 USD
B+
Retailer 2
-
£169 GBP
View
B+
Retailer 3
-
£215 GBP
View
B
Retailer 4
-
£331 GBP
$441 USD
View
Most Expensive
B
MOH London
LG839690497 · Oct 29
£659 GBP
View
4 more retailers have this diamond
Prices start from £122 GBPSave up to £537 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
0.51ct Heart
£122 GBP