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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 $443 AUD
As of November 4, 2026
Save $1,756 AUD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,200 AUD 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 $443 to $2,200, a $1,756 spread on the same certified stone. MOH London lists it at $2,200. 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: $2,200 AUD|Low: $443 AUD|High: $2,857 AUD|Avg: $1,248 AUD|-22.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$443 AUD
Retailer 3$515 AUD
Retailer 9$637 AUD
Retailer 2$848 AUD
Retailer 8$895 AUD
Retailer 6$905 AUD
Retailer 5$1,614 AUD
Retailer 4$1,769 AUD
MOH London$2,200 AUD

37 data points across 9 retailers

9 retailers$443 AUD to $2,200 AUD

A+
Cheapest Retailer
-
$443 AUD
A
Retailer 2
-
$515 AUD
View
A
Retailer 3
-
$637 AUD
View
Final sale: no returns
A
Retailer 4
-
$848 AUD
View
A
Retailer 5
-
$895 AUD
View
A
Retailer 6
-
$905 AUD
View
B+
Retailer 7
-
$1,614 AUD
View
B+
Retailer 8
-
$1,769 AUD
View
Most Expensive
B+
MOH London
LG776639120 · Nov 5
$2,200 AUD
£1,215 GBP
View
8 more retailers have this diamond
Prices start from $443 AUDSave up to $1,756 AUD

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
$443 AUD