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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG643437545

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG643437545

Diamond specifications and retailer prices

From $1,022 AUD
$718 USD
As of October 30, 2026
Save $9,128 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,150 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG643437545 or 643437545. Listed at 21 retailers as of October 30, 2026, with prices from $1,022 to $10,150, a $9,128 spread on the same certified stone. Do Amore Diamonds lists it at $10,150. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643437545
Dimensions10.30 × 11.75 × 6.47 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm11.75 mm4.50 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643437545
Side View
Table 61.0%Crown 36.1°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 55.1%

Caratlytics Score

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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: $4,988 AUD|Low: $981 AUD|High: $5,059 AUD|Avg: $2,551 AUD|-0.6%
Retailer 1
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
October 31, 2026
Retailer 13$1,022 AUD
Retailer 4$1,112 AUD
Retailer 6$1,145 AUD
Retailer 14$1,184 AUD
Retailer 11$1,438 AUD
Retailer 5$1,802 AUD
Retailer 8$2,002 AUD
Retailer 10$2,784 AUD
Retailer 7$2,803 AUD
Retailer 12$2,918 AUD
Retailer 3$3,677 AUD
Retailer 2$4,040 AUD
Retailer 9$4,930 AUD
Retailer 1$4,988 AUD

43 data points across 14 retailers

21 retailers$1,022 AUD to $10,150 AUD

A
Cheapest Retailer
-
$1,022 AUD
$718 USD
A
Retailer 2
-
$1,112 AUD
$781 USD
View
A
Retailer 3
-
$1,145 AUD
$804 USD
View
Final sale: no returns
A
Retailer 4
-
$1,184 AUD
$832 USD
View
Retailer 5
-
$1,184 AUD
$832 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,438 AUD
$1,010 USD
View
B+
Retailer 7
-
$1,671 AUD
$1,174 USD
View
A
Retailer 8
-
$1,802 AUD
$1,266 USD
View
A
Retailer 9
-
$2,002 AUD
£1,107 GBP
View
A
Retailer 10
-
$2,171 AUD
$1,525 USD
View
B+
Retailer 11
-
$2,784 AUD
ZAR 31,594 ZAR
View
B+
Retailer 12
-
$2,803 AUD
View
B+
Retailer 13
-
$2,918 AUD
$2,050 USD
View
B+
Retailer 14
-
$3,677 AUD
$2,583 USD
View
B+
Retailer 15
-
$3,830 AUD
$2,691 USD
View
B
Retailer 16
-
$4,040 AUD
$2,838 USD
View
B
Retailer 17
-
$4,674 AUD
$3,283 USD
View
B
Retailer 18
-
$4,930 AUD
£2,727 GBP
View
B
Retailer 19
-
$4,988 AUD
View
B
Retailer 20
-
$9,068 AUD
$6,370 USD
View
Most Expensive
B
Do Amore Diamonds
23-643437545 · Oct 31
$10,150 AUD
$7,130 USD
View
20 more retailers have this diamond
Prices start from $1,022 AUDSave up to $9,128 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
$1,022 AUD