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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG846649851

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846649851

Diamond specifications and retailer prices

From $1,683 AUD
$1,182 USD
As of October 30, 2026
Save $7,371 AUD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,054 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG846649851 or 846649851. Listed at 7 retailers as of October 26, 2026, with prices from $1,683 to $9,054, a $7,371 spread on the same certified stone. Brilliant Earth lists it at $9,054. 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 angle40.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846649851
Dimensions11.47 × 11.06 × 6.12 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm11.06 mm4.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846649851
Side View
Table 62.0%Crown 40.6°Girdle: MED-STKPavilion 36°CuletDepth 53.4%

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: $9,054 AUD|Low: $1,281 AUD|High: $10,335 AUD|Avg: $3,678 AUD|-12.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7$1,683 AUD
Retailer 5$1,687 AUD
Retailer 6$2,006 AUD
Retailer 3$2,201 AUD
Retailer 2$2,460 AUD
Retailer 4$4,354 AUD
Brilliant Earth$9,054 AUD

11 data points across 7 retailers

7 retailers$1,683 AUD to $9,054 AUD

B+
Cheapest Retailer
-
$1,683 AUD
$1,182 USD
A
Retailer 2
-
$1,687 AUD
$1,185 USD
View
Retailer 3
-
$2,006 AUD
€1,342 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,201 AUD
View
A
Retailer 5
-
$2,460 AUD
$1,728 USD
View
B
Retailer 6
-
$4,354 AUD
£2,408 GBP
View
Most Expensive
B
Brilliant Earth
22183393A · Oct 26
$9,054 AUD
$6,360 USD
View
6 more retailers have this diamond
Prices start from $1,683 AUDSave up to $7,371 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
$1,683 AUD