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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG831648646

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648646

Diamond specifications and retailer prices

From HK$1,325 HKD
As of November 6, 2026
Save HK$5,543 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$6,868 HKD at MOH London · As of November 4, 2026
View at MOH London

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 LG831648646 or 831648646. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,325 to HK$6,868, a HK$5,543 spread on the same certified stone. MOH London lists it at HK$6,868. 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 angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648646
Dimensions7.27 × 6.68 × 4.04 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
7.27 mm6.68 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831648646
Side View
Table 64.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 55.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$6,868 HKD|Low: HK$1,325 HKD|High: HK$7,524 HKD|Avg: HK$3,564 HKD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5HK$1,325 HKD
Retailer 2HK$1,897 HKD
Retailer 9HK$2,492 HKD
Retailer 4HK$2,524 HKD
Retailer 3HK$2,665 HKD
Retailer 7HK$2,696 HKD
Retailer 6HK$2,790 HKD
Retailer 8HK$3,840 HKD
Retailer 10HK$4,060 HKD
Retailer 11HK$4,781 HKD
MOH LondonHK$6,868 HKD

42 data points across 11 retailers

16 retailersHK$1,325 HKD to HK$6,868 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$2,492 HKD
View
B+
Retailer 8
-
HK$2,524 HKD
View
Retailer 9
-
HK$2,665 HKD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
HK$2,696 HKD
View
B+
Retailer 11
-
HK$2,790 HKD
View
B
Retailer 12
-
HK$3,840 HKD
View
B
Retailer 13
-
HK$4,060 HKD
View
B
Retailer 14
-
HK$4,781 HKD
View
Retailer 15
-
HK$4,781 HKD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
LG831648646 · Nov 4
HK$6,868 HKD
£690 GBP
View
15 more retailers have this diamond
Prices start from HK$1,325 HKDSave up to HK$5,543 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