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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 $2,289 NZD
$1,288 USD
As of October 31, 2026
Save $6,838 NZD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $18,057 NZD at Brilliant Earth · As of October 31, 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: $3,162 NZD|Low: $1,638 NZD|High: $9,128 NZD|Avg: $3,445 NZD|+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$2,169 NZD
Retailer 11$2,186 NZD
Retailer 8$2,200 NZD
Retailer 7$2,289 NZD
Retailer 5$2,497 NZD
Retailer 6$2,981 NZD
Retailer 1$3,162 NZD
Retailer 2$4,720 NZD
Retailer 3$4,914 NZD
Retailer 10$5,765 NZD
Retailer 4$9,128 NZD

10 data points across 11 retailers

6 retailers$2,289 NZD to $9,128 NZD

A
Cheapest Retailer
-
$2,289 NZD
$1,288 USD
Final sale: no returns
A
Retailer 2
-
$2,497 NZD
$1,405 USD
View
A
Retailer 3
-
$2,981 NZD
$1,677 USD
View
A
Retailer 4
-
$3,162 NZD
HK$13,900 HKD
View
B
Retailer 5
-
$9,128 NZD
SGD 6,940 SGD
View
Most Expensive
Brilliant Earth
22261823Y · Oct 31
$18,057 NZD
$10,160 USD
View
Price under review
5 more retailers have this diamond
Prices start from $2,289 NZDSave up to $6,838 NZD

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
$2,289 NZD