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Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG845650455

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG845650455

Diamond specifications and retailer prices

From £247 GBP
A$506 AUD
As of October 26, 2026
Save £463 GBP (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £710 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 very-good cut grade and certified by IGI LG845650455 or 845650455. Listed at 6 retailers as of October 26, 2026, with prices from £247 to £710, a £463 spread on the same certified stone. MOH London lists it at £710. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845650455
Dimensions4.70 × 5.49 × 3.22 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.70 mm5.49 mm0.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845650455
Side View
Table 60.0%Crown 36.9°Girdle: MED-STKPavilion 37.2°CuletDepth 58.7%

Caratlytics Score

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

Price History

Last verified: Oct 26
Current: £710 GBP|Low: £247 GBP|High: £712 GBP|Avg: £424 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3£247 GBP
Retailer 2£266 GBP
Retailer 4£273 GBP
Retailer 5£495 GBP
Retailer 6£528 GBP
MOH London£710 GBP

8 data points across 6 retailers

6 retailers£247 GBP to £710 GBP

B+
Cheapest Retailer
-
£247 GBP
A$506 AUD
B+
Retailer 2
-
£266 GBP
View
B+
Retailer 3
-
£273 GBP
$364 USD
View
B
Retailer 4
-
£495 GBP
$659 USD
View
B
Retailer 5
-
£528 GBP
$704 USD
View
Most Expensive
B
MOH London
LG845650455 · Oct 26
£710 GBP
View
5 more retailers have this diamond
Prices start from £247 GBPSave up to £463 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
£247 GBP