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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811631743

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811631743

Diamond specifications and retailer prices

From $779 CAD
$558 USD
As of October 30, 2026
Save $6,149 CAD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,929 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG811631743 or 811631743. Listed at 12 retailers as of October 30, 2026, with prices from $779 to $6,929, a $6,149 spread on the same certified stone. Do Amore Diamonds lists it at $6,929. 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 angle36.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811631743
Dimensions7.52 × 7.25 × 4.54 mm
L/W Ratio1.04
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
7.52 mm7.25 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811631743
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.4%

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 30
Current: $6,929 CAD|Low: $779 CAD|High: $7,613 CAD|Avg: $2,838 CAD|-9.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
Retailer 13
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Retailer 17
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Retailer 19
October 31, 2026
Retailer 15$779 CAD
Retailer 3$873 CAD
Retailer 9$875 CAD
Retailer 7$972 CAD
Retailer 13$1,132 CAD
Retailer 17$1,282 CAD
Retailer 16$1,489 CAD
Retailer 2$1,495 CAD
Retailer 6$1,682 CAD
Retailer 5$2,162 CAD
Retailer 18$2,312 CAD
Retailer 10$2,584 CAD
Retailer 19$2,806 CAD
Retailer 4$4,265 CAD
Retailer 14$4,657 CAD
Retailer 12$4,680 CAD
Retailer 11$4,770 CAD
Retailer 8$4,899 CAD
Do Amore Diamonds$6,929 CAD

21 data points across 19 retailers

12 retailers$779 CAD to $6,929 CAD

A
Cheapest Retailer
-
$779 CAD
$558 USD
A
Retailer 2
-
$873 CAD
$625 USD
View
A
Retailer 3
-
$1,132 CAD
£638 GBP
View
A
Retailer 4
-
$1,282 CAD
$918 USD
View
A
Retailer 5
-
$1,489 CAD
$1,066 USD
View
B+
Retailer 6
-
$1,495 CAD
$1,070 USD
View
B+
Retailer 7
-
$2,312 CAD
$1,655 USD
View
B+
Retailer 8
-
$2,806 CAD
$2,009 USD
View
B
Retailer 9
-
$4,265 CAD
$3,053 USD
View
B
Retailer 10
-
$4,657 CAD
£2,625 GBP
View
B
Retailer 11
-
$4,680 CAD
$3,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-B78631E99 · Oct 30
$6,929 CAD
$4,960 USD
View
11 more retailers have this diamond
Prices start from $779 CADSave up to $6,149 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
$779 CAD