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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG799613631

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799613631

Diamond specifications and retailer prices

From $717 CAD
$512 USD
As of October 28, 2026
Save $3,314 CAD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,031 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799613631 or 799613631. Listed at 7 retailers as of October 28, 2026, with prices from $717 to $4,031, a $3,314 spread on the same certified stone. Brilliant Earth lists it at $4,031. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799613631
Dimensions7.90 × 7.08 × 4.68 mm
L/W Ratio1.12
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
7.90 mm7.08 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799613631
Side View
Table 62.0%Crown 39.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
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: Oct 28
Current: $4,031 CAD|Low: $686 CAD|High: $4,157 CAD|Avg: $1,649 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$717 CAD
Retailer 5$879 CAD
Retailer 9$905 CAD
Retailer 10$956 CAD
Retailer 11$1,023 CAD
Retailer 7$1,352 CAD
Retailer 8$1,668 CAD
Retailer 4$1,847 CAD
Retailer 2$2,076 CAD
Retailer 3$2,330 CAD
Brilliant Earth$4,031 CAD

27 data points across 11 retailers

7 retailers$717 CAD to $4,031 CAD

A
Cheapest Retailer
-
$717 CAD
$512 USD
A
Retailer 2
-
$879 CAD
$628 USD
View
A
Retailer 3
-
$1,352 CAD
$966 USD
View
B+
Retailer 4
-
$1,668 CAD
$1,192 USD
View
B+
Retailer 5
-
$1,847 CAD
$1,320 USD
View
B+
Retailer 6
-
$2,076 CAD
£1,168 GBP
View
Most Expensive
B
Brilliant Earth
19934876A · Oct 28
$4,031 CAD
$2,880 USD
View
6 more retailers have this diamond
Prices start from $717 CADSave up to $3,314 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
1.51ct Heart
$717 CAD