Heart|Lab Grown|IGI

4.57ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG840638290

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840638290

Diamond specifications and retailer prices

From $1,797 NZD
HK$7,900 HKD
As of November 1, 2026
Save $4,266 NZD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,063 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG840638290 or 840638290. Listed at 9 retailers as of October 29, 2026, with prices from $1,797 to $6,063, a $4,266 spread on the same certified stone. MOH London lists it at $6,063. 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 angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840638290
Dimensions10.31 × 11.32 × 6.90 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
10.31 mm11.32 mm4.57 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840638290
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

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: Nov 1
Current: $6,063 NZD|Low: $1,797 NZD|High: $6,743 NZD|Avg: $3,834 NZD|+3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$1,797 NZD
Retailer 8$2,200 NZD
Retailer 3$2,463 NZD
Retailer 2$2,466 NZD
Retailer 4$2,486 NZD
Retailer 5$3,603 NZD
Retailer 6$5,297 NZD
Retailer 7$5,542 NZD
MOH London$6,063 NZD

25 data points across 9 retailers

9 retailers$1,797 NZD to $6,063 NZD

A
Cheapest Retailer
-
$1,797 NZD
HK$7,900 HKD
A
Retailer 2
-
$2,200 NZD
$1,238 USD
View
A
Retailer 3
-
$2,463 NZD
€1,320 EUR
View
A
Retailer 4
-
$2,466 NZD
£1,093 GBP
View
A
Retailer 5
-
$2,486 NZD
$1,399 USD
View
B+
Retailer 6
-
$3,603 NZD
$2,027 USD
View
B
Retailer 7
-
$5,297 NZD
$2,981 USD
View
B
Retailer 8
-
$5,542 NZD
$3,118 USD
View
Most Expensive
B
MOH London
LG840638290 · Oct 29
$6,063 NZD
£2,686 GBP
View
8 more retailers have this diamond
Prices start from $1,797 NZDSave up to $4,266 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
$1,797 NZD