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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG846649851

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846649851

Diamond specifications and retailer prices

From HK$9,274 HKD
$1,182 USD
As of October 30, 2026
Save HK$40,625 HKD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$49,899 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.5ct lab-grown heart diamond

This 4.5ct 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 LG846649851 or 846649851. Listed at 7 retailers as of October 26, 2026, with prices from HK$9,274 to HK$49,899, a HK$40,625 spread on the same certified stone. Brilliant Earth lists it at HK$49,899. 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

4.50
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846649851
Dimensions11.47 × 11.06 × 6.12 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm11.06 mm4.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846649851
Side View
Table 62.0%Crown 40.6°Girdle: MED-STKPavilion 36°CuletDepth 53.4%

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$49,899 HKD|Low: HK$7,061 HKD|High: HK$56,960 HKD|Avg: HK$20,269 HKD|-12.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7HK$9,274 HKD
Retailer 5HK$9,297 HKD
Retailer 6HK$11,055 HKD
Retailer 3HK$12,132 HKD
Retailer 2HK$13,557 HKD
Retailer 4HK$23,993 HKD
Brilliant EarthHK$49,899 HKD

11 data points across 7 retailers

7 retailersHK$9,274 HKD to HK$49,899 HKD

B+
Cheapest Retailer
-
HK$9,274 HKD
$1,182 USD
A
Retailer 2
-
HK$9,297 HKD
$1,185 USD
View
Retailer 3
-
HK$11,055 HKD
€1,342 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$12,132 HKD
A$2,379 AUD
View
A
Retailer 5
-
HK$13,557 HKD
$1,728 USD
View
B
Retailer 6
-
HK$23,993 HKD
£2,408 GBP
View
Most Expensive
B
Brilliant Earth
22183393A · Oct 26
HK$49,899 HKD
$6,360 USD
View
6 more retailers have this diamond
Prices start from HK$9,274 HKDSave up to HK$40,625 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
4.50ct Heart
HK$9,274 HKD