CaratHunter
Plans
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 HK$7,934 HKD
As of October 30, 2026
Save HK$18,832 HKD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$26,766 HKD 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 HK$7,934 to HK$26,766, a HK$18,832 spread on the same certified stone. MOH London lists it at HK$26,766. 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: Oct 30
Current: HK$26,766 HKD|Low: HK$7,934 HKD|High: HK$29,769 HKD|Avg: HK$17,119 HKD|+3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9HK$7,934 HKD
Retailer 8HK$9,714 HKD
Retailer 2HK$10,864 HKD
Retailer 3HK$10,949 HKD
Retailer 4HK$10,977 HKD
Retailer 5HK$15,905 HKD
Retailer 6HK$23,387 HKD
Retailer 7HK$24,465 HKD
MOH LondonHK$26,766 HKD

22 data points across 9 retailers

9 retailersHK$7,934 HKD to HK$26,766 HKD

A
Cheapest Retailer
-
HK$7,934 HKD
A
Retailer 2
-
HK$9,714 HKD
$1,238 USD
View
A
Retailer 3
-
HK$10,864 HKD
£1,090 GBP
View
A
Retailer 4
-
HK$10,949 HKD
€1,329 EUR
View
A
Retailer 5
-
HK$10,977 HKD
$1,399 USD
View
B+
Retailer 6
-
HK$15,905 HKD
$2,027 USD
View
B
Retailer 7
-
HK$23,387 HKD
$2,981 USD
View
B
Retailer 8
-
HK$24,465 HKD
$3,118 USD
View
Most Expensive
B
MOH London
LG840638290 · Oct 29
HK$26,766 HKD
£2,686 GBP
View
8 more retailers have this diamond
Prices start from HK$7,934 HKDSave up to HK$18,832 HKD

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
HK$7,934 HKD