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Heart|Lab Grown|IGI

4.50ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG780678099

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780678099

Diamond specifications and retailer prices

From HK$5,178 HKD
$660 USD
As of October 30, 2026
Save HK$20,250 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$25,428 HKD at MOH London · As of October 29, 2026
View at MOH London

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 LG780678099 or 780678099. Listed at 18 retailers as of October 29, 2026, with prices from HK$5,178 to HK$25,428, a HK$20,250 spread on the same certified stone. MOH London lists it at HK$25,428. 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 angle40.2°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780678099
Dimensions11.40 × 10.07 × 6.14 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm10.07 mm4.50 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780678099
Side View
Table 58.0%Crown 40.2°Girdle: MED-THKPavilion 32.9°Culet: NoneDepth 53.9%

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$25,428 HKD|Low: HK$5,177 HKD|High: HK$25,578 HKD|Avg: HK$11,741 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 16HK$5,178 HKD
Retailer 11HK$5,195 HKD
Retailer 8HK$5,633 HKD
Retailer 5HK$5,790 HKD
Retailer 14HK$6,002 HKD
Retailer 9HK$6,316 HKD
Retailer 13HK$7,414 HKD
Retailer 17HK$9,438 HKD
Retailer 2HK$9,601 HKD
Retailer 6HK$9,791 HKD
Retailer 12HK$12,778 HKD
Retailer 10HK$12,867 HKD
Retailer 3HK$15,252 HKD
Retailer 15HK$15,338 HKD
Retailer 7HK$20,485 HKD
Retailer 4HK$20,712 HKD
MOH LondonHK$25,428 HKD

37 data points across 17 retailers

18 retailersHK$5,178 HKD to HK$25,428 HKD

A
Cheapest Retailer
-
HK$5,178 HKD
$660 USD
A
Retailer 2
-
HK$5,195 HKD
£521 GBP
View
A
Retailer 3
-
HK$5,633 HKD
$718 USD
View
A
Retailer 4
-
HK$5,790 HKD
$738 USD
View
Final sale: no returns
A
Retailer 5
-
HK$6,002 HKD
$765 USD
View
Retailer 6
-
HK$6,316 HKD
$805 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$6,347 HKD
$809 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
HK$7,414 HKD
$945 USD
View
A
Retailer 9
-
HK$9,438 HKD
$1,203 USD
View
A
Retailer 10
-
HK$9,601 HKD
£964 GBP
View
B+
Retailer 11
-
HK$9,791 HKD
$1,248 USD
View
A
Retailer 12
-
HK$12,778 HKD
ZAR 26,311 ZAR
View
A
Retailer 13
-
HK$12,867 HKD
A$2,523 AUD
View
B+
Retailer 14
-
HK$15,252 HKD
$1,944 USD
View
B+
Retailer 15
-
HK$15,338 HKD
$1,955 USD
View
B+
Retailer 16
-
HK$20,485 HKD
$2,611 USD
View
B+
Retailer 17
-
HK$20,712 HKD
$2,640 USD
View
Most Expensive
B
MOH London
LG780678099 · Oct 29
HK$25,428 HKD
£2,552 GBP
View
17 more retailers have this diamond
Prices start from HK$5,178 HKDSave up to HK$20,250 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$5,178 HKD