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Heart|Lab Grown|IGI

4.19ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG694554157

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694554157

Diamond specifications and retailer prices

From HK$5,690 HKD
As of November 6, 2026
Save HK$4,452 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$48,905 HKD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 4.19ct lab-grown heart diamond

This 4.19ct lab-grown heart sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694554157 or 694554157. Listed at 6 retailers as of November 6, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.19
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694554157
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.19 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694554157
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.2%

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: Nov 6
Current: HK$48,905 HKD|Low: HK$5,682 HKD|High: HK$50,394 HKD|Avg: HK$18,531 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4HK$5,690 HKD
Retailer 5HK$7,602 HKD
Retailer 2HK$9,836 HKD
Retailer 3HK$10,095 HKD
Retailer 6HK$10,142 HKD
Retailer 7HK$10,291 HKD
Retailer 8HK$13,896 HKD
Brilliant EarthHK$48,905 HKD

11 data points across 8 retailers

6 retailersHK$5,690 HKD to HK$10,142 HKD

A
Cheapest Retailer
-
HK$5,690 HKD
B+
Retailer 2
-
HK$7,602 HKD
View
B+
Retailer 3
-
HK$9,836 HKD
View
B+
Retailer 4
-
HK$10,095 HKD
View
B+
Retailer 5
-
HK$10,142 HKD
View
Most Expensive
Brilliant Earth
15816477A · Oct 18
HK$48,905 HKD
$6,240 USD
View
Price under review
5 more retailers have this diamond
Prices start from HK$5,690 HKDSave up to HK$4,452 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
4.19ct Heart
HK$5,690 HKD