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Heart|Lab Grown|IGI

4.90ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG843671405

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843671405

Diamond specifications and retailer prices

From HK$5,350 HKD
£537 GBP
As of October 27, 2026
Save HK$25,092 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$30,441 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.9ct lab-grown heart diamond

This 4.9ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843671405 or 843671405. Listed at 10 retailers as of October 27, 2026, with prices from HK$5,350 to HK$30,441, a HK$25,092 spread on the same certified stone. Brilliant Earth lists it at HK$30,441. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.90
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843671405
Dimensions10.24 × 11.90 × 6.77 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm11.90 mm4.90 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843671405
Side View
Table 64.0%Crown 34.2°Girdle: STK-VTKPavilion 37.8°Culet: NoneDepth 56.9%

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 27
Current: HK$30,441 HKD|Low: HK$5,331 HKD|High: HK$30,441 HKD|Avg: HK$12,169 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2HK$5,350 HKD
Retailer 11HK$5,767 HKD
Retailer 7HK$6,929 HKD
Retailer 9HK$7,375 HKD
Retailer 4HK$9,497 HKD
Retailer 5HK$9,744 HKD
Retailer 8HK$15,268 HKD
Retailer 10HK$17,025 HKD
Retailer 3HK$20,169 HKD
Retailer 6HK$25,209 HKD
Brilliant EarthHK$30,441 HKD

7 data points across 11 retailers

10 retailersHK$5,350 HKD to HK$30,441 HKD

A
Cheapest Retailer
-
HK$5,350 HKD
£537 GBP
B+
Retailer 2
-
HK$6,929 HKD
View
B+
Retailer 3
-
HK$7,375 HKD
$940 USD
View
B+
Retailer 4
-
HK$9,497 HKD
£953 GBP
View
B+
Retailer 5
-
HK$9,744 HKD
$1,242 USD
View
B
Retailer 6
-
HK$15,268 HKD
$1,946 USD
View
B
Retailer 7
-
HK$17,025 HKD
$2,170 USD
View
B
Retailer 8
-
HK$20,169 HKD
SGD 3,474 SGD
View
B
Retailer 9
-
HK$25,209 HKD
£2,530 GBP
View
Most Expensive
B
Brilliant Earth
22235130A · Oct 30
HK$30,441 HKD
$3,880 USD
View
9 more retailers have this diamond
Prices start from HK$5,350 HKDSave up to HK$25,092 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
4.90ct Heart
HK$5,350 HKD