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 HK$9,605 HKD
€1,166 EUR
As of October 29, 2026
Save HK$11,568 HKD (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$21,174 HKD 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 HK$9,605 to HK$21,174, a HK$11,568 spread on the same certified stone. Taylor and Hart lists it at HK$21,174. 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: HK$9,802 HKD|Low: HK$9,605 HKD|High: HK$21,174 HKD|Avg: HK$13,762 HKD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 30, 2026
Retailer 3HK$9,605 HKD
Retailer 1HK$9,802 HKD
Retailer 4HK$10,003 HKD
Retailer 2HK$15,409 HKD
Taylor and HartHK$21,174 HKD

3 data points across 5 retailers

5 retailersHK$9,605 HKD to HK$21,174 HKD

A
Cheapest Retailer
-
HK$9,605 HKD
€1,166 EUR
A
Retailer 2
-
HK$9,802 HKD
£984 GBP
View
B+
Retailer 3
-
HK$10,003 HKD
$1,275 USD
View
B+
Retailer 4
-
HK$15,409 HKD
$1,964 USD
View
Most Expensive
B+
Taylor and Hart
H35HGJ5 · Oct 30
HK$21,174 HKD
$2,699 USD
View
4 more retailers have this diamond
Prices start from HK$9,605 HKDSave up to HK$11,568 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
4.52ct Heart
HK$9,605 HKD