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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG831648664

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648664

Diamond specifications and retailer prices

From HK$1,325 HKD
As of November 6, 2026
Save HK$6,199 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$7,524 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct 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 LG831648664 or 831648664. Listed at 15 retailers as of November 6, 2026, with prices from HK$1,325 to HK$7,524, a HK$6,199 spread on the same certified stone. Brilliant Earth lists it at HK$7,524. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648664
Dimensions7.44 × 6.51 × 4.05 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm6.51 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648664
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 54.4%

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$7,524 HKD|Low: HK$1,325 HKD|High: HK$7,759 HKD|Avg: HK$3,819 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5HK$1,325 HKD
Retailer 2HK$1,897 HKD
Retailer 3HK$2,524 HKD
Retailer 10HK$2,665 HKD
Retailer 7HK$2,696 HKD
Retailer 6HK$2,790 HKD
Retailer 8HK$3,840 HKD
Retailer 9HK$4,060 HKD
Retailer 4HK$6,866 HKD
Brilliant EarthHK$7,524 HKD

39 data points across 10 retailers

15 retailersHK$1,325 HKD to HK$7,524 HKD

Retailer 1
-
HK$1,199 HKD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$1,325 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,395 HKD
View
Price last confirmed 22 days ago
Retailer 4
-
HK$1,489 HKD
View
Price last confirmed 22 days ago
A
Retailer 5
-
HK$1,701 HKD
View
A
Retailer 6
-
HK$1,897 HKD
View
B+
Retailer 7
-
HK$2,524 HKD
View
Retailer 8
-
HK$2,665 HKD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$2,696 HKD
View
B+
Retailer 10
-
HK$2,790 HKD
View
B
Retailer 11
-
HK$3,840 HKD
View
B
Retailer 12
-
HK$4,060 HKD
View
Retailer 13
-
HK$4,781 HKD
View
Price last confirmed 21 days ago
B
Retailer 14
-
HK$6,866 HKD
View
Most Expensive
B
Brilliant Earth
21274495A · Nov 6
HK$7,524 HKD
$960 USD
View
14 more retailers have this diamond
Prices start from HK$1,325 HKDSave up to HK$6,199 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
1.09ct Heart
HK$1,325 HKD