Heart|Lab Grown|IGI

1.51ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG647456789

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647456789

Diamond specifications and retailer prices

From $354 CAD
$253 USD
As of October 30, 2026
Save $1,418 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,057 CAD at Brilliant Earth · As of October 22, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647456789 or 647456789. Listed at 17 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647456789
Dimensions6.97 × 8.23 × 4.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm8.23 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647456789
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 39.1°Culet: NoneDepth 57.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,057 CAD|Low: $354 CAD|High: $2,197 CAD|Avg: $1,036 CAD|-6.4%
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
October 30, 2026
Retailer 14$354 CAD
Retailer 3$411 CAD
Retailer 16$439 CAD
Retailer 17$439 CAD
Retailer 13$492 CAD
Retailer 11$665 CAD
Retailer 7$735 CAD
Retailer 9$736 CAD
Retailer 2$838 CAD
Retailer 5$914 CAD
Retailer 12$1,352 CAD
Retailer 15$1,414 CAD
Retailer 8$1,486 CAD
Retailer 4$1,619 CAD
Retailer 6$1,730 CAD
Retailer 10$1,772 CAD
Brilliant Earth$2,057 CAD

40 data points across 17 retailers

17 retailers$354 CAD to $1,772 CAD

A
Cheapest Retailer
-
$354 CAD
$253 USD
A
Retailer 2
-
$411 CAD
$294 USD
View
A
Retailer 3
-
$439 CAD
$314 USD
View
A
Retailer 4
-
$439 CAD
$314 USD
View
Retailer 5
-
$492 CAD
£277 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
$665 CAD
$475 USD
View
A
Retailer 7
-
$735 CAD
$525 USD
View
B+
Retailer 8
-
$736 CAD
$526 USD
View
B+
Retailer 9
-
$838 CAD
£472 GBP
View
B+
Retailer 10
-
$914 CAD
$653 USD
View
B
Retailer 11
-
$1,352 CAD
$966 USD
View
B
Retailer 12
-
$1,414 CAD
$1,010 USD
View
Retailer 13
-
$1,486 CAD
$1,062 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$1,619 CAD
$1,157 USD
View
B
Retailer 15
-
$1,730 CAD
$1,236 USD
View
B
Retailer 16
-
$1,772 CAD
£997 GBP
View
Most Expensive
Brilliant Earth
11429311A · Oct 22
$2,057 CAD
$1,470 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $354 CADSave up to $1,418 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
$354 CAD