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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 $434 CAD
$311 USD
As of October 30, 2026
Save $1,799 CAD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,234 CAD at MOH London · As of October 29, 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 October 29, 2026, with prices from $434 to $2,234, a $1,799 spread on the same certified stone. MOH London lists it at $2,234. 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
Color
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: Oct 30
Current: $2,234 CAD|Low: $434 CAD|High: $2,799 CAD|Avg: $1,233 CAD|-19.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$434 CAD
Retailer 8$518 CAD
Retailer 9$624 CAD
Retailer 3$859 CAD
Retailer 7$877 CAD
Retailer 5$887 CAD
Retailer 4$1,581 CAD
Retailer 2$1,734 CAD
MOH London$2,234 CAD

37 data points across 9 retailers

9 retailers$434 CAD to $2,234 CAD

A+
Cheapest Retailer
-
$434 CAD
$311 USD
A
Retailer 2
-
$518 CAD
$371 USD
View
A
Retailer 3
-
$624 CAD
$447 USD
View
Final sale: no returns
A
Retailer 4
-
$859 CAD
$615 USD
View
A
Retailer 5
-
$877 CAD
$628 USD
View
A
Retailer 6
-
$887 CAD
$635 USD
View
B+
Retailer 7
-
$1,581 CAD
$1,132 USD
View
B+
Retailer 8
-
$1,734 CAD
$1,241 USD
View
Most Expensive
B+
MOH London
LG776639120 · Oct 29
$2,234 CAD
£1,259 GBP
View
8 more retailers have this diamond
Prices start from $434 CADSave up to $1,799 CAD

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
$434 CAD