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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836619131

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619131

Diamond specifications and retailer prices

From $1,384 CAD
$991 USD
As of November 1, 2026
Save $5,391 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,775 CAD at Brilliant Earth · As of October 31, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619131 or 836619131. Listed at 14 retailers as of October 31, 2026, with prices from $1,384 to $6,775, a $5,391 spread on the same certified stone. Brilliant Earth lists it at $6,775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619131
Dimensions8.06 × 7.10 × 4.53 mm
L/W Ratio1.14
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
8.06 mm7.10 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619131
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 38°Culet: NoneDepth 56.2%

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: Nov 1
Current: $6,775 CAD|Low: $1,384 CAD|High: $6,775 CAD|Avg: $3,413 CAD
Brilliant Earth
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
November 1, 2026
Retailer 12$1,384 CAD
Retailer 7$1,623 CAD
Retailer 14$1,690 CAD
Retailer 9$1,711 CAD
Retailer 6$2,158 CAD
Retailer 8$2,209 CAD
Retailer 11$2,639 CAD
Retailer 10$2,985 CAD
Retailer 4$3,678 CAD
Retailer 3$4,256 CAD
Retailer 13$4,725 CAD
Retailer 5$4,985 CAD
Retailer 2$5,383 CAD
Brilliant Earth$6,775 CAD

7 data points across 14 retailers

14 retailers$1,384 CAD to $6,775 CAD

A
Cheapest Retailer
-
$1,384 CAD
$991 USD
Final sale: no returns
A
Retailer 2
-
$1,623 CAD
£915 GBP
View
B+
Retailer 3
-
$1,690 CAD
$1,210 USD
View
B+
Retailer 4
-
$1,711 CAD
$1,225 USD
View
B+
Retailer 5
-
$2,158 CAD
$1,545 USD
View
B+
Retailer 6
-
$2,209 CAD
£1,245 GBP
View
B+
Retailer 7
-
$2,639 CAD
ZAR 30,521 ZAR
View
B
Retailer 8
-
$2,985 CAD
$2,137 USD
View
B
Retailer 9
-
$3,678 CAD
$2,633 USD
View
B
Retailer 10
-
$4,256 CAD
$3,047 USD
View
B
Retailer 11
-
$4,725 CAD
$3,383 USD
View
B
Retailer 12
-
$4,985 CAD
$3,568 USD
View
B
Retailer 13
-
$5,383 CAD
£3,034 GBP
View
Most Expensive
B
Brilliant Earth
22318645A · Oct 31
$6,775 CAD
$4,850 USD
View
13 more retailers have this diamond
Prices start from $1,384 CADSave up to $5,391 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
$1,384 CAD