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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 $940 AUD
$660 USD
As of October 30, 2026
Save $3,674 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,614 AUD 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 $940 to $4,614, a $3,674 spread on the same certified stone. MOH London lists it at $4,614. 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
Colour
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: $4,614 AUD|Low: $939 AUD|High: $4,641 AUD|Avg: $2,130 AUD|-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$940 AUD
Retailer 11$943 AUD
Retailer 8$1,022 AUD
Retailer 5$1,051 AUD
Retailer 14$1,089 AUD
Retailer 9$1,146 AUD
Retailer 13$1,345 AUD
Retailer 17$1,713 AUD
Retailer 2$1,742 AUD
Retailer 6$1,777 AUD
Retailer 12$2,319 AUD
Retailer 10$2,335 AUD
Retailer 3$2,767 AUD
Retailer 15$2,783 AUD
Retailer 7$3,717 AUD
Retailer 4$3,758 AUD
MOH London$4,614 AUD

37 data points across 17 retailers

18 retailers$940 AUD to $4,614 AUD

A
Cheapest Retailer
-
$940 AUD
$660 USD
A
Retailer 2
-
$943 AUD
£521 GBP
View
A
Retailer 3
-
$1,022 AUD
$718 USD
View
A
Retailer 4
-
$1,051 AUD
$738 USD
View
Final sale: no returns
A
Retailer 5
-
$1,089 AUD
$765 USD
View
Retailer 6
-
$1,146 AUD
$805 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$1,152 AUD
$809 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
$1,345 AUD
$945 USD
View
A
Retailer 9
-
$1,713 AUD
$1,203 USD
View
A
Retailer 10
-
$1,742 AUD
£964 GBP
View
B+
Retailer 11
-
$1,777 AUD
$1,248 USD
View
A
Retailer 12
-
$2,319 AUD
ZAR 26,311 ZAR
View
A
Retailer 13
-
$2,335 AUD
View
B+
Retailer 14
-
$2,767 AUD
$1,944 USD
View
B+
Retailer 15
-
$2,783 AUD
$1,955 USD
View
B+
Retailer 16
-
$3,717 AUD
$2,611 USD
View
B+
Retailer 17
-
$3,758 AUD
$2,640 USD
View
Most Expensive
B
MOH London
LG780678099 · Oct 29
$4,614 AUD
£2,552 GBP
View
17 more retailers have this diamond
Prices start from $940 AUDSave up to $3,674 AUD

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
$940 AUD