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Heart|Lab Grown|IGI

1.01ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG621434474

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG621434474

Diamond specifications and retailer prices

From HK$1,732 HKD
As of November 6, 2026
Save HK$5,086 HKD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$6,818 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621434474 or 621434474. Listed at 15 retailers as of November 2, 2026, with prices from HK$1,732 to HK$6,818, a HK$5,086 spread on the same certified stone. MOH London lists it at HK$6,818. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621434474
Dimensions6.12 × 7.19 × 3.89 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.12 mm7.19 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621434474
Side View
Table 61.0%Crown 34.2°Girdle: MED-VTKPavilion 36.3°Culet: NoneDepth 54.1%

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$6,818 HKD|Low: HK$1,732 HKD|High: HK$6,898 HKD|Avg: HK$3,674 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2HK$1,732 HKD
Retailer 3HK$2,500 HKD
Retailer 7HK$2,680 HKD
Retailer 5HK$2,767 HKD
Retailer 8HK$3,370 HKD
Retailer 4HK$3,785 HKD
Retailer 6HK$5,016 HKD
MOH LondonHK$6,818 HKD

41 data points across 8 retailers

15 retailersHK$1,732 HKD to HK$6,818 HKD

Retailer 1
-
HK$1,129 HKD
Price last confirmed 35 days ago
Retailer 2
-
HK$1,364 HKD
View
Price last confirmed 38 days ago
Retailer 3
-
HK$1,458 HKD
View
Price last confirmed 34 days ago
Retailer 4
-
HK$1,458 HKD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$1,732 HKD
View
B+
Retailer 6
-
HK$2,500 HKD
View
B+
Retailer 7
-
HK$2,516 HKD
View
B+
Retailer 8
-
HK$2,680 HKD
View
B+
Retailer 9
-
HK$2,767 HKD
View
B+
Retailer 10
-
HK$3,370 HKD
View
B
Retailer 11
-
HK$3,785 HKD
View
Retailer 12
-
HK$4,687 HKD
View
Price last confirmed 37 days ago
B
Retailer 13
-
HK$4,930 HKD
View
B
Retailer 14
-
HK$5,016 HKD
View
Most Expensive
B
MOH London
LG621434474 · Nov 2
HK$6,818 HKD
£685 GBP
View
14 more retailers have this diamond
Prices start from HK$1,732 HKDSave up to HK$5,086 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
1.01ct Heart
HK$1,732 HKD