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Heart|Lab Grown|IGI

4.52ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG851662142

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851662142

Diamond specifications and retailer prices

From $1,743 AUD
€1,166 EUR
As of October 29, 2026
Save $2,099 AUD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,842 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.52ct lab-grown heart diamond

This 4.52ct 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 LG851662142 or 851662142. Listed at 5 retailers as of October 29, 2026, with prices from $1,743 to $3,842, a $2,099 spread on the same certified stone. Taylor and Hart lists it at $3,842. 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

4.52
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851662142
Dimensions11.05 × 10.16 × 6.86 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm10.16 mm4.52 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851662142
Side View
Table 58.0%Crown 35.3°Girdle: THK-VTKPavilion 39°Culet: NoneDepth 62.1%

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 29
Current: $1,779 AUD|Low: $1,743 AUD|High: $3,842 AUD|Avg: $2,497 AUD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 30, 2026
Retailer 3$1,743 AUD
Retailer 1$1,779 AUD
Retailer 4$1,815 AUD
Retailer 2$2,796 AUD
Taylor and Hart$3,842 AUD

3 data points across 5 retailers

5 retailers$1,743 AUD to $3,842 AUD

A
Cheapest Retailer
-
$1,743 AUD
€1,166 EUR
A
Retailer 2
-
$1,779 AUD
£984 GBP
View
B+
Retailer 3
-
$1,815 AUD
$1,275 USD
View
B+
Retailer 4
-
$2,796 AUD
$1,964 USD
View
Most Expensive
B+
Taylor and Hart
H35HGJ5 · Oct 30
$3,842 AUD
$2,699 USD
View
4 more retailers have this diamond
Prices start from $1,743 AUDSave up to $2,099 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
4.52ct Heart
$1,743 AUD