CaratHunter
Plans
Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG780678099

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780678099

Diamond specifications and retailer prices

From €591 EUR
$660 USD
As of October 30, 2026
Save €2,310 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,901 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.5ct lab-grown heart diamond

This 4.5ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780678099 or 780678099. Listed at 18 retailers as of October 29, 2026, with prices from €591 to €2,901, a €2,310 spread on the same certified stone. MOH London lists it at €2,901. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780678099
Dimensions11.40 × 10.07 × 6.14 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm10.07 mm4.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780678099
Side View
Table 58.0%Crown 40.2°Girdle: MED-THKPavilion 32.9°Culet: NoneDepth 53.9%

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: €2,901 EUR|Low: €591 EUR|High: €2,918 EUR|Avg: €1,340 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
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
October 31, 2026
Retailer 16€591 EUR
Retailer 11€593 EUR
Retailer 8€643 EUR
Retailer 5€661 EUR
Retailer 14€685 EUR
Retailer 9€721 EUR
Retailer 13€846 EUR
Retailer 17€1,077 EUR
Retailer 2€1,095 EUR
Retailer 6€1,117 EUR
Retailer 12€1,458 EUR
Retailer 10€1,468 EUR
Retailer 3€1,740 EUR
Retailer 15€1,750 EUR
Retailer 7€2,337 EUR
Retailer 4€2,363 EUR
MOH London€2,901 EUR

37 data points across 17 retailers

18 retailers€591 EUR to €2,901 EUR

A
Cheapest Retailer
-
€591 EUR
$660 USD
A
Retailer 2
-
€593 EUR
£521 GBP
View
A
Retailer 3
-
€643 EUR
$718 USD
View
A
Retailer 4
-
€661 EUR
$738 USD
View
Final sale: no returns
A
Retailer 5
-
€685 EUR
$765 USD
View
Retailer 6
-
€721 EUR
$805 USD
View
Price last confirmed 16 days ago
Retailer 7
-
€724 EUR
$809 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
€846 EUR
$945 USD
View
A
Retailer 9
-
€1,077 EUR
$1,203 USD
View
A
Retailer 10
-
€1,095 EUR
£964 GBP
View
B+
Retailer 11
-
€1,117 EUR
$1,248 USD
View
A
Retailer 12
-
€1,458 EUR
ZAR 26,311 ZAR
View
A
Retailer 13
-
€1,468 EUR
A$2,523 AUD
View
B+
Retailer 14
-
€1,740 EUR
$1,944 USD
View
B+
Retailer 15
-
€1,750 EUR
$1,955 USD
View
B+
Retailer 16
-
€2,337 EUR
$2,611 USD
View
B+
Retailer 17
-
€2,363 EUR
$2,640 USD
View
Most Expensive
B
MOH London
LG780678099 · Oct 29
€2,901 EUR
£2,552 GBP
View
17 more retailers have this diamond
Prices start from €591 EURSave up to €2,310 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
4.50ct Heart
€591 EUR