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Heart|Lab Grown|IGI

5.09ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG841658357

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841658357

Diamond specifications and retailer prices

From HK$8,478 HKD
£851 GBP
As of October 30, 2026
Save HK$20,936 HKD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$48,486 HKD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 5.09ct lab-grown heart diamond

This 5.09ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841658357 or 841658357. Listed at 16 retailers as of October 29, 2026, with a 247% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.09
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841658357
Dimensions10.59 × 11.81 × 7.15 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm11.81 mm5.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841658357
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.5%

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$48,486 HKD|Low: HK$8,449 HKD|High: HK$48,486 HKD|Avg: HK$22,441 HKD
Brilliant Earth
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
October 31, 2026
Retailer 8HK$8,478 HKD
Retailer 11HK$9,415 HKD
Retailer 13HK$11,180 HKD
Retailer 2HK$12,001 HKD
Retailer 7HK$15,819 HKD
Retailer 10HK$15,859 HKD
Retailer 14HK$17,943 HKD
Retailer 3HK$18,602 HKD
Retailer 12HK$19,566 HKD
Retailer 6HK$24,424 HKD
Retailer 5HK$24,630 HKD
Retailer 4HK$27,071 HKD
Retailer 9HK$29,414 HKD
Brilliant EarthHK$48,486 HKD

23 data points across 14 retailers

16 retailersHK$8,478 HKD to HK$29,414 HKD

Retailer 1
-
HK$7,320 HKD
$933 USD
Price last confirmed 10 days ago
A
Retailer 2
-
HK$8,478 HKD
£851 GBP
View
A
Retailer 3
-
HK$9,415 HKD
$1,200 USD
View
B+
Retailer 4
-
HK$11,180 HKD
$1,425 USD
View
A
Retailer 5
-
HK$12,001 HKD
£1,204 GBP
View
B+
Retailer 6
-
HK$15,819 HKD
A$3,102 AUD
View
B+
Retailer 7
-
HK$15,859 HKD
ZAR 32,656 ZAR
View
B+
Retailer 8
-
HK$17,943 HKD
$2,287 USD
View
B+
Retailer 9
-
HK$18,602 HKD
$2,371 USD
View
B+
Retailer 10
-
HK$19,566 HKD
CA$3,464 CAD
View
B+
Retailer 11
-
HK$21,944 HKD
$2,797 USD
View
B
Retailer 12
-
HK$24,424 HKD
$3,113 USD
View
B
Retailer 13
-
HK$24,630 HKD
$3,139 USD
View
B
Retailer 14
-
HK$27,071 HKD
$3,450 USD
View
B
Retailer 15
-
HK$29,414 HKD
£2,952 GBP
View
Most Expensive
Brilliant Earth
21706409A · Oct 17
HK$48,486 HKD
$6,180 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from HK$8,478 HKDSave up to HK$20,936 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
5.09ct Heart
HK$8,478 HKD