Heart|Lab Grown|IGI

1.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG840612257

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840612257

Diamond specifications and retailer prices

From $363 CAD
$260 USD
As of October 24, 2026
Save $1,411 CAD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,067 CAD at Brilliant Earth · As of October 14, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840612257 or 840612257. Listed at 21 retailers as of October 24, 2026, with a 389% 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
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612257
Dimensions7.20 × 7.75 × 4.79 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.75 mm1.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612257
Side View
Table 65.0%Crown 37.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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 24
Current: $2,067 CAD|Low: $313 CAD|High: $2,067 CAD|Avg: $947 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 4$313 CAD
Retailer 9$351 CAD
Retailer 20$363 CAD
Retailer 3$388 CAD
Retailer 12$429 CAD
Retailer 17$455 CAD
Retailer 13$631 CAD
Retailer 21$656 CAD
Retailer 6$661 CAD
Retailer 8$714 CAD
Retailer 18$719 CAD
Retailer 14$742 CAD
Retailer 16$906 CAD
Retailer 22$1,247 CAD
Retailer 5$1,252 CAD
Retailer 15$1,259 CAD
Retailer 10$1,321 CAD
Retailer 2$1,553 CAD
Retailer 19$1,558 CAD
Retailer 7$1,578 CAD
Retailer 11$1,775 CAD
Brilliant Earth$2,067 CAD

23 data points across 22 retailers

21 retailers$363 CAD to $1,775 CAD

Retailer 1
-
$313 CAD
$224 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$363 CAD
$260 USD
View
A
Retailer 3
-
$388 CAD
$278 USD
View
A
Retailer 4
-
$429 CAD
HK$2,400 HKD
View
A
Retailer 5
-
$455 CAD
£256 GBP
View
A
Retailer 6
-
$631 CAD
€430 EUR
View
Retailer 7
-
$656 CAD
ZAR 7,590 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$661 CAD
$473 USD
View
B+
Retailer 9
-
$714 CAD
$511 USD
View
A
Retailer 10
-
$719 CAD
£405 GBP
View
B+
Retailer 11
-
$742 CAD
$531 USD
View
B+
Retailer 12
-
$906 CAD
A$998 AUD
View
B+
Retailer 13
-
$1,247 CAD
$893 USD
View
B
Retailer 14
-
$1,252 CAD
$896 USD
View
B
Retailer 15
-
$1,259 CAD
SGD 1,218 SGD
View
B
Retailer 16
-
$1,321 CAD
$946 USD
View
B
Retailer 17
-
$1,553 CAD
$1,112 USD
View
B
Retailer 18
-
$1,558 CAD
£878 GBP
View
B
Retailer 19
-
$1,578 CAD
$1,130 USD
View
B
Retailer 20
-
$1,775 CAD
$1,270 USD
View
Most Expensive
Brilliant Earth
21808394A · Oct 14
$2,067 CAD
$1,480 USD
View
Price last confirmed 16 days ago
20 more retailers have this diamond
Prices start from $363 CADSave up to $1,411 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
$363 CAD