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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 $660 USD
As of October 30, 2026
Save $2,581 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,241 USD 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 $660 to $3,241, a $2,581 spread on the same certified stone. MOH London lists it at $3,241. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,241 USD|Low: $660 USD|High: $3,260 USD|Avg: $1,498 USD|-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 30, 2026
Retailer 16$660 USD
Retailer 10$662 USD
Retailer 8$718 USD
Retailer 5$738 USD
Retailer 14$765 USD
Retailer 9$805 USD
Retailer 13$945 USD
Retailer 17$1,203 USD
Retailer 11$1,221 USD
Retailer 6$1,248 USD
Retailer 12$1,629 USD
Retailer 2$1,640 USD
Retailer 3$1,944 USD
Retailer 15$1,955 USD
Retailer 7$2,611 USD
Retailer 4$2,640 USD
MOH London$3,241 USD

36 data points across 17 retailers

18 retailers$660 USD to $3,241 USD

A
Cheapest Retailer
-
$660 USD
A
Retailer 2
-
$662 USD
£521 GBP
View
A
Retailer 3
-
$718 USD
View
A
Retailer 4
-
$738 USD
View
Final sale: no returns
A
Retailer 5
-
$765 USD
View
Retailer 6
-
$805 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$809 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$945 USD
View
A
Retailer 9
-
$1,203 USD
View
A
Retailer 10
-
$1,221 USD
£961 GBP
View
B+
Retailer 11
-
$1,248 USD
View
A
Retailer 12
-
$1,629 USD
ZAR 26,311 ZAR
View
A
Retailer 13
-
$1,640 USD
A$2,523 AUD
View
B+
Retailer 14
-
$1,944 USD
View
B+
Retailer 15
-
$1,955 USD
View
B+
Retailer 16
-
$2,611 USD
View
B+
Retailer 17
-
$2,640 USD
View
Most Expensive
B
MOH London
LG780678099 · Oct 29
$3,241 USD
£2,552 GBP
View
17 more retailers have this diamond
Prices start from $660 USDSave up to $2,581 USD

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
$660 USD