Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG825656728

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825656728

Diamond specifications and retailer prices

From $909 CAD
$651 USD
As of October 30, 2026
Save $3,544 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,453 CAD at MOH London · As of October 26, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG825656728 or 825656728. Listed at 19 retailers as of October 26, 2026, with prices from $909 to $4,453, a $3,544 spread on the same certified stone. MOH London lists it at $4,453. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656728
Dimensions7.20 × 8.03 × 4.50 mm
L/W Ratio1.12
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
7.20 mm8.03 mm1.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656728
Side View
Table 59.0%Crown 35.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 56.0%

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: $4,453 CAD|Low: $909 CAD|High: $5,453 CAD|Avg: $2,467 CAD|-18.2%
MOH London
Retailer 2
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Retailer 4
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 5$909 CAD
Retailer 18$990 CAD
Retailer 7$1,018 CAD
Retailer 15$1,056 CAD
Retailer 2$1,193 CAD
Retailer 13$1,243 CAD
Retailer 11$1,436 CAD
Retailer 9$1,500 CAD
Retailer 3$1,577 CAD
Retailer 8$1,590 CAD
Retailer 12$1,687 CAD
Retailer 17$1,939 CAD
Retailer 14$2,429 CAD
Retailer 6$2,672 CAD
Retailer 16$2,968 CAD
Retailer 4$3,407 CAD
Retailer 10$3,642 CAD
Retailer 19$3,680 CAD
MOH London$4,453 CAD

27 data points across 19 retailers

19 retailers$909 CAD to $4,453 CAD

A
Cheapest Retailer
-
$909 CAD
$651 USD
A
Retailer 2
-
$990 CAD
$709 USD
View
A
Retailer 3
-
$1,018 CAD
$729 USD
View
Final sale: no returns
A
Retailer 4
-
$1,056 CAD
$756 USD
View
A
Retailer 5
-
$1,193 CAD
£673 GBP
View
A
Retailer 6
-
$1,243 CAD
$890 USD
View
Retailer 7
-
$1,436 CAD
$1,028 USD
View
Price last confirmed 19 days ago
B+
Retailer 8
-
$1,500 CAD
$1,074 USD
View
B+
Retailer 9
-
$1,577 CAD
$1,129 USD
View
B+
Retailer 10
-
$1,590 CAD
$1,138 USD
View
B+
Retailer 11
-
$1,687 CAD
£951 GBP
View
B+
Retailer 12
-
$1,939 CAD
ZAR 22,429 ZAR
View
B+
Retailer 13
-
$2,429 CAD
$1,739 USD
View
B
Retailer 14
-
$2,672 CAD
$1,913 USD
View
B
Retailer 15
-
$2,968 CAD
$2,125 USD
View
B
Retailer 16
-
$3,407 CAD
$2,439 USD
View
B
Retailer 17
-
$3,642 CAD
$2,607 USD
View
B
Retailer 18
-
$3,680 CAD
$2,634 USD
View
Most Expensive
B
MOH London
LG825656728 · Oct 26
$4,453 CAD
£2,510 GBP
View
18 more retailers have this diamond
Prices start from $909 CADSave up to $3,544 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
$909 CAD