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Heart|Lab Grown|IGI

4.51ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG774658447

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774658447

Diamond specifications and retailer prices

From €585 EUR
$654 USD
As of October 30, 2026
Save €2,280 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,866 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 4.51ct lab-grown heart diamond

This 4.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG774658447 or 774658447. Listed at 18 retailers as of October 26, 2026, with prices from €585 to €2,866, a €2,280 spread on the same certified stone. MOH London lists it at €2,866. 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

4.51
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774658447
Dimensions11.07 × 11.26 × 6.28 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.07 mm11.26 mm4.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774658447
Side View
Table 66.0%Crown 34.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 55.8%

Caratlytics Score

How it works →
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: €2,866 EUR|Low: €574 EUR|High: €2,960 EUR|Avg: €1,272 EUR|-3.1%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 9€585 EUR
Retailer 12€588 EUR
Retailer 15€637 EUR
Retailer 17€655 EUR
Retailer 8€679 EUR
Retailer 10€694 EUR
Retailer 14€837 EUR
Retailer 18€974 EUR
Retailer 16€1,071 EUR
Retailer 2€1,086 EUR
Retailer 13€1,446 EUR
Retailer 11€1,456 EUR
Retailer 3€1,736 EUR
Retailer 4€1,745 EUR
Retailer 6€1,910 EUR
Retailer 7€2,317 EUR
Retailer 5€2,344 EUR
MOH London€2,866 EUR

37 data points across 18 retailers

18 retailers€585 EUR to €2,866 EUR

A
Cheapest Retailer
-
€585 EUR
$654 USD
A
Retailer 2
-
€588 EUR
£517 GBP
View
A
Retailer 3
-
€637 EUR
$712 USD
View
A
Retailer 4
-
€655 EUR
$732 USD
View
Final sale: no returns
A
Retailer 5
-
€679 EUR
$759 USD
View
Retailer 6
-
€694 EUR
$775 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
€837 EUR
$935 USD
View
B+
Retailer 8
-
€974 EUR
$1,088 USD
View
A
Retailer 9
-
€1,071 EUR
$1,197 USD
View
A
Retailer 10
-
€1,086 EUR
£955 GBP
View
A
Retailer 11
-
€1,446 EUR
ZAR 26,096 ZAR
View
A
Retailer 12
-
€1,456 EUR
A$2,502 AUD
View
B+
Retailer 13
-
€1,736 EUR
$1,939 USD
View
B+
Retailer 14
-
€1,745 EUR
$1,950 USD
View
B+
Retailer 15
-
€1,910 EUR
$2,134 USD
View
B+
Retailer 16
-
€2,317 EUR
$2,589 USD
View
B
Retailer 17
-
€2,344 EUR
$2,618 USD
View
Most Expensive
B
MOH London
LG774658447 · Oct 26
€2,866 EUR
£2,521 GBP
View
17 more retailers have this diamond
Prices start from €585 EURSave up to €2,280 EUR

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
4.51ct Heart
€585 EUR