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Heart|Lab Grown|IGI

1.03ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839622790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839622790

Diamond specifications and retailer prices

From HK$1,332 HKD
As of November 6, 2026
Save HK$3,605 HKD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$4,938 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839622790 or 839622790. Listed at 3 retailers as of November 6, 2026, with prices from HK$1,332 to HK$4,938, a HK$3,605 spread on the same certified stone. Brilliant Earth lists it at HK$4,938. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839622790
Dimensions6.49 × 7.10 × 4.01 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm7.10 mm1.03 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839622790
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 56.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: HK$4,938 HKD|Low: HK$1,332 HKD|High: HK$7,132 HKD|Avg: HK$4,031 HKD|-30.8%
Brilliant Earth
Retailer 2
Retailer 3
November 5, 2026
Retailer 3HK$1,332 HKD
Retailer 2HK$2,641 HKD
Brilliant EarthHK$4,938 HKD

31 data points across 3 retailers

3 retailersHK$1,332 HKD to HK$4,938 HKD

A
Cheapest Retailer
-
HK$1,332 HKD
Final sale: no returns
B+
Retailer 2
-
HK$2,641 HKD
View
Most Expensive
B
Brilliant Earth
21583220A · Nov 6
HK$4,938 HKD
$630 USD
View
2 more retailers have this diamond
Prices start from HK$1,332 HKDSave up to HK$3,605 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
1.03ct Heart
HK$1,332 HKD