Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG829619984

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829619984

Diamond specifications and retailer prices

From £128 GBP
$170 USD
As of October 30, 2026
Save £242 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £848 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 LG829619984 or 829619984. Listed at 7 retailers as of October 29, 2026, with a 189% 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

0.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829619984
Dimensions5.09 × 5.63 × 2.99 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.09 mm5.63 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829619984
Side View
Table 65.0%Crown 32.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 53.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £848 GBP|Low: £128 GBP|High: £917 GBP|Avg: £337 GBP|-7.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£128 GBP
Retailer 2£202 GBP
Retailer 3£245 GBP
Retailer 4£274 GBP
Retailer 5£297 GBP
Retailer 6£369 GBP
MOH London£848 GBP

42 data points across 7 retailers

7 retailers£128 GBP to £369 GBP

A
Cheapest Retailer
-
£128 GBP
$170 USD
B+
Retailer 2
-
£202 GBP
View
B+
Retailer 3
-
£245 GBP
View
B+
Retailer 4
-
£274 GBP
$365 USD
View
B
Retailer 5
-
£297 GBP
$395 USD
View
B
Retailer 6
-
£369 GBP
$492 USD
View
Most Expensive
MOH London
LG829619984 · Oct 26
£848 GBP
View
Price under review
6 more retailers have this diamond
Prices start from £128 GBPSave up to £242 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
£128 GBP