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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620979

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620979

Diamond specifications and retailer prices

From $915 CAD
$655 USD
As of October 30, 2026
Save $4,156 CAD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,071 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 LG836620979 or 836620979. Listed at 19 retailers as of October 30, 2026, with prices from $915 to $5,071, a $4,156 spread on the same certified stone. Brilliant Earth lists it at $5,071. 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 angle38.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620979
Dimensions7.07 × 7.83 × 4.56 mm
L/W Ratio1.11
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
7.07 mm7.83 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620979
Side View
Table 59.0%Crown 38.3°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 58.2%

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: Oct 30
Current: $5,071 CAD|Low: $915 CAD|High: $6,971 CAD|Avg: $2,737 CAD|-27.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 7$915 CAD
Retailer 17$995 CAD
Retailer 15$1,062 CAD
Retailer 4$1,155 CAD
Retailer 13$1,306 CAD
Retailer 18$1,578 CAD
Retailer 2$1,696 CAD
Retailer 11$1,697 CAD
Retailer 14$1,731 CAD
Retailer 5$1,932 CAD
Retailer 9$2,473 CAD
Retailer 16$2,982 CAD
Retailer 8$3,491 CAD
Retailer 3$3,661 CAD
Retailer 10$4,151 CAD
Retailer 6$4,414 CAD
Retailer 12$4,494 CAD
Brilliant Earth$5,071 CAD

35 data points across 18 retailers

19 retailers$915 CAD to $5,071 CAD

A
Cheapest Retailer
-
$915 CAD
$655 USD
A
Retailer 2
-
$995 CAD
$712 USD
View
A
Retailer 3
-
$1,062 CAD
$760 USD
View
Retailer 4
-
$1,098 CAD
$786 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,155 CAD
$827 USD
View
Final sale: no returns
A
Retailer 6
-
$1,306 CAD
$935 USD
View
A
Retailer 7
-
$1,578 CAD
$1,130 USD
View
B+
Retailer 8
-
$1,696 CAD
£956 GBP
View
B+
Retailer 9
-
$1,697 CAD
€1,157 EUR
View
B+
Retailer 10
-
$1,731 CAD
$1,239 USD
View
Retailer 11
-
$1,932 CAD
ZAR 22,344 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,473 CAD
$1,770 USD
View
B+
Retailer 13
-
$2,982 CAD
$2,135 USD
View
B+
Retailer 14
-
$3,491 CAD
$2,499 USD
View
B
Retailer 15
-
$3,661 CAD
$2,620 USD
View
B
Retailer 16
-
$4,151 CAD
SGD 4,016 SGD
View
B
Retailer 17
-
$4,414 CAD
$3,160 USD
View
B
Retailer 18
-
$4,494 CAD
£2,533 GBP
View
Most Expensive
B
Brilliant Earth
21590133A · Oct 31
$5,071 CAD
$3,630 USD
View
18 more retailers have this diamond
Prices start from $915 CADSave up to $4,156 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
$915 CAD