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Heart|Lab Grown|IGI

4.57ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG825603290

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825603290

Diamond specifications and retailer prices

From $1,834 AUD
$1,288 USD
As of October 31, 2026
Save $5,477 AUD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $14,464 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.57ct lab-grown heart diamond

This 4.57ct 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 LG825603290 or 825603290. Listed at 6 retailers as of October 31, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.57
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825603290
Dimensions10.32 × 11.38 × 6.85 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm11.38 mm4.57 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825603290
Side View
Table 62.0%Crown 35.3°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 60.2%

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 31
Current: $2,533 AUD|Low: $1,312 AUD|High: $7,311 AUD|Avg: $2,734 AUD|+93.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 15, 2026
Retailer 9$1,737 AUD
Retailer 11$1,751 AUD
Retailer 8$1,762 AUD
Retailer 7$1,834 AUD
Retailer 5$2,000 AUD
Retailer 6$2,387 AUD
Retailer 1$2,533 AUD
Retailer 2$3,781 AUD
Retailer 3$3,936 AUD
Retailer 10$4,618 AUD
Retailer 4$7,311 AUD

12 data points across 11 retailers

6 retailers$1,834 AUD to $7,311 AUD

A
Cheapest Retailer
-
$1,834 AUD
$1,288 USD
Final sale: no returns
A
Retailer 2
-
$2,000 AUD
$1,405 USD
View
A
Retailer 3
-
$2,387 AUD
$1,677 USD
View
A
Retailer 4
-
$2,533 AUD
HK$13,900 HKD
View
B
Retailer 5
-
$7,311 AUD
SGD 6,940 SGD
View
Most Expensive
Brilliant Earth
22261823Y · Oct 30
$14,464 AUD
$10,160 USD
View
Price under review
5 more retailers have this diamond
Prices start from $1,834 AUDSave up to $5,477 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
4.57ct Heart
$1,834 AUD