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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG831648756

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831648756

Diamond specifications and retailer prices

From HK$1,215 HKD
As of November 6, 2026
Save HK$5,116 HKD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$6,330 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831648756 or 831648756. Listed at 16 retailers as of November 4, 2026, with prices from HK$1,215 to HK$6,330, a HK$5,116 spread on the same certified stone. MOH London lists it at HK$6,330. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831648756
Dimensions6.84 × 6.22 × 4.06 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm6.22 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831648756
Side View
Table 66.0%Crown 34.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.4%

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$6,330 HKD|Low: HK$1,207 HKD|High: HK$6,490 HKD|Avg: HK$3,125 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6HK$1,215 HKD
Retailer 3HK$1,599 HKD
Retailer 2HK$1,803 HKD
Retailer 4HK$2,077 HKD
Retailer 5HK$2,296 HKD
Retailer 10HK$2,336 HKD
Retailer 8HK$2,539 HKD
Retailer 7HK$2,579 HKD
Retailer 9HK$3,480 HKD
Retailer 11HK$3,754 HKD
Retailer 12HK$4,389 HKD
MOH LondonHK$6,330 HKD

42 data points across 12 retailers

16 retailersHK$1,215 HKD to HK$6,330 HKD

Retailer 1
-
HK$1,105 HKD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$1,215 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,285 HKD
View
Price last confirmed 22 days ago
Retailer 4
-
HK$1,372 HKD
View
Price last confirmed 22 days ago
A
Retailer 5
-
HK$1,599 HKD
View
A
Retailer 6
-
HK$1,803 HKD
View
Retailer 7
-
HK$2,077 HKD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
HK$2,296 HKD
View
B+
Retailer 9
-
HK$2,336 HKD
View
B+
Retailer 10
-
HK$2,539 HKD
View
B+
Retailer 11
-
HK$2,579 HKD
View
B
Retailer 12
-
HK$3,480 HKD
View
B
Retailer 13
-
HK$3,754 HKD
View
B
Retailer 14
-
HK$4,389 HKD
View
Retailer 15
-
HK$4,412 HKD
View
Price last confirmed 21 days ago
Most Expensive
B
MOH London
LG831648756 · Nov 4
HK$6,330 HKD
£636 GBP
View
15 more retailers have this diamond
Prices start from HK$1,215 HKDSave up to HK$5,116 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
1.00ct Heart
HK$1,215 HKD