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Heart|Lab Grown|IGI

1.29ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG776639120

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776639120

Diamond specifications and retailer prices

From HK$2,440 HKD
As of November 4, 2026
Save HK$9,666 HKD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$12,106 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776639120 or 776639120. Listed at 9 retailers as of November 4, 2026, with prices from HK$2,440 to HK$12,106, a HK$9,666 spread on the same certified stone. MOH London lists it at HK$12,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776639120
Dimensions6.94 × 7.66 × 4.41 mm
L/W Ratio1.10
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
6.94 mm7.66 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776639120
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: HK$12,106 HKD|Low: HK$2,440 HKD|High: HK$15,722 HKD|Avg: HK$6,868 HKD|-22.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7HK$2,440 HKD
Retailer 3HK$2,832 HKD
Retailer 9HK$3,507 HKD
Retailer 2HK$4,668 HKD
Retailer 8HK$4,927 HKD
Retailer 6HK$4,982 HKD
Retailer 5HK$8,881 HKD
Retailer 4HK$9,736 HKD
MOH LondonHK$12,106 HKD

37 data points across 9 retailers

9 retailersHK$2,440 HKD to HK$12,106 HKD

A+
Cheapest Retailer
-
HK$2,440 HKD
A
Retailer 2
-
HK$2,832 HKD
View
A
Retailer 3
-
HK$3,507 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$4,668 HKD
View
A
Retailer 5
-
HK$4,927 HKD
View
A
Retailer 6
-
HK$4,982 HKD
View
B+
Retailer 7
-
HK$8,881 HKD
View
B+
Retailer 8
-
HK$9,736 HKD
View
Most Expensive
B+
MOH London
LG776639120 · Nov 5
HK$12,106 HKD
£1,215 GBP
View
8 more retailers have this diamond
Prices start from HK$2,440 HKDSave up to HK$9,666 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+
1.29ct Heart
HK$2,440 HKD