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Heart|Lab Grown|IGI

1.29ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG839630399

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839630399

Diamond specifications and retailer prices

From $383 CAD
As of November 2, 2026
Save $3,921 CAD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,304 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839630399 or 839630399. Listed at 20 retailers as of October 30, 2026, with prices from $383 to $4,304, a $3,921 spread on the same certified stone. Brilliant Earth lists it at $4,304. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630399
Dimensions6.87 × 7.52 × 4.13 mm
L/W Ratio1.09
Girdle conditionFaceted
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
6.87 mm7.52 mm1.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630399
Side View
Table 58.0%Crown 34.3°Girdle: THK-VTKPavilion 37.7°Culet: NoneDepth 54.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $827 CAD|Low: $383 CAD|High: $1,998 CAD|Avg: $928 CAD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 4$383 CAD
Retailer 7$429 CAD
Retailer 3$444 CAD
Retailer 2$475 CAD
Retailer 9$475 CAD
Retailer 13$488 CAD
Retailer 19$632 CAD
Retailer 12$699 CAD
Retailer 17$743 CAD
Retailer 15$819 CAD
Retailer 1$827 CAD
Retailer 10$829 CAD
Retailer 18$1,126 CAD
Retailer 14$1,166 CAD
Retailer 6$1,214 CAD
Retailer 8$1,527 CAD
Retailer 11$1,599 CAD
Retailer 16$1,903 CAD
Retailer 5$1,998 CAD

15 data points across 19 retailers

20 retailers$383 CAD to $4,304 CAD

A
Cheapest Retailer
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$383 CAD
A
Retailer 2
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$429 CAD
View
Final sale: no returns
A
Retailer 3
-
$444 CAD
View
Retailer 4
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$475 CAD
View
Price last confirmed 10 days ago
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Retailer 5
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$475 CAD
View
A
Retailer 6
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$488 CAD
View
A
Retailer 7
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$632 CAD
View
A
Retailer 8
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$699 CAD
View
A
Retailer 9
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$743 CAD
View
A
Retailer 10
-
$819 CAD
View
A
Retailer 11
-
$827 CAD
View
A
Retailer 12
-
$829 CAD
View
A
Retailer 13
-
$1,126 CAD
View
A
Retailer 14
-
$1,166 CAD
View
B+
Retailer 15
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$1,214 CAD
View
B+
Retailer 16
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$1,527 CAD
View
B+
Retailer 17
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$1,599 CAD
View
B+
Retailer 18
-
$1,903 CAD
View
B
Retailer 19
-
$1,998 CAD
View
Most Expensive
B
Brilliant Earth
22274415A · Oct 30
$4,304 CAD
$3,080 USD
View
19 more retailers have this diamond
Prices start from $383 CADSave up to $3,921 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
$383 CAD