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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG754567521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754567521

Diamond specifications and retailer prices

From $380 CAD
$272 USD
As of November 2, 2026
Save $1,432 CAD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,890 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754567521 or 754567521. Listed at 19 retailers as of November 1, 2026, with a 377% 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754567521
Dimensions7.22 × 7.71 × 4.48 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm7.71 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754567521
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 58.1%

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 2
Current: $1,890 CAD|Low: $359 CAD|High: $1,899 CAD|Avg: $983 CAD|+0.8%
MOH London
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
November 2, 2026
Retailer 5$373 CAD
Retailer 7$418 CAD
Retailer 6$464 CAD
Retailer 15$471 CAD
Retailer 17$636 CAD
Retailer 13$692 CAD
Retailer 16$697 CAD
Retailer 12$762 CAD
Retailer 11$812 CAD
Retailer 10$828 CAD
Retailer 8$935 CAD
Retailer 14$1,095 CAD
Retailer 2$1,213 CAD
Retailer 3$1,586 CAD
Retailer 4$1,812 CAD
Retailer 9$1,886 CAD
MOH London$1,890 CAD

33 data points across 17 retailers

19 retailers$380 CAD to $1,812 CAD

Retailer 1
-
$373 CAD
$267 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$380 CAD
$272 USD
View
Retailer 3
-
$433 CAD
$310 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$464 CAD
$332 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$471 CAD
$337 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$636 CAD
$455 USD
View
A
Retailer 7
-
$692 CAD
$495 USD
View
A
Retailer 8
-
$697 CAD
$499 USD
View
B+
Retailer 9
-
$762 CAD
€519 EUR
View
B+
Retailer 10
-
$812 CAD
ZAR 9,392 ZAR
View
B+
Retailer 11
-
$828 CAD
£467 GBP
View
Retailer 12
-
$1,075 CAD
$769 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$1,095 CAD
A$1,206 AUD
View
B+
Retailer 14
-
$1,213 CAD
$868 USD
View
Retailer 15
-
$1,490 CAD
$1,066 USD
View
Price last confirmed 33 days ago
Retailer 16
-
$1,495 CAD
SGD 1,446 SGD
View
Price last confirmed 24 days ago
B
Retailer 17
-
$1,586 CAD
$1,135 USD
View
B
Retailer 18
-
$1,812 CAD
$1,297 USD
View
Most Expensive
MOH London
LG754567521 · Oct 26
$1,890 CAD
£1,065 GBP
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $380 CADSave up to $1,432 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
$380 CAD