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Heart|Lab Grown|IGI

1.42ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG839619059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839619059

Diamond specifications and retailer prices

From HK$1,742 HKD
$222 USD
As of November 1, 2026
Save HK$934 HKD (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$7,454 HKD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.42ct lab-grown heart diamond

This 1.42ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839619059 or 839619059. Listed at 3 retailers as of November 1, 2026, with a 54% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839619059
Dimensions6.84 × 7.75 × 4.57 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm7.75 mm1.42 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839619059
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.0%

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 1
Current: HK$7,454 HKD|Low: HK$1,742 HKD|High: HK$7,689 HKD|Avg: HK$5,216 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 2HK$1,742 HKD
Retailer 3HK$2,676 HKD
Retailer 4HK$3,898 HKD
Brilliant EarthHK$7,454 HKD

13 data points across 4 retailers

3 retailersHK$1,742 HKD to HK$2,676 HKD

A
Cheapest Retailer
-
HK$1,742 HKD
$222 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,676 HKD
$341 USD
View
Most Expensive
Brilliant Earth
21541948A · Oct 8
HK$7,454 HKD
$950 USD
View
Price last confirmed 25 days ago
2 more retailers have this diamond
Prices start from HK$1,742 HKDSave up to HK$934 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
1.42ct Heart
HK$1,742 HKD