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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG632488346

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG632488346

Diamond specifications and retailer prices

From $469 CAD
$335 USD
As of October 27, 2026
Save $4,402 CAD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,871 CAD at Brilliant Earth · As of October 29, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG632488346 or 632488346. Listed at 22 retailers as of October 27, 2026, with prices from $469 to $4,871, a $4,402 spread on the same certified stone. Brilliant Earth lists it at $4,871. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632488346
Dimensions7.11 × 7.11 × 8.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.11 mm7.11 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632488346
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 56.7%

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 27
Current: $4,871 CAD|Low: $451 CAD|High: $4,871 CAD|Avg: $1,443 CAD
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
Retailer 18
October 29, 2026
Retailer 18$469 CAD
Retailer 6$544 CAD
Retailer 3$581 CAD
Retailer 7$581 CAD
Retailer 11$602 CAD
Retailer 5$781 CAD
Retailer 13$798 CAD
Retailer 12$999 CAD
Retailer 2$1,038 CAD
Retailer 8$1,044 CAD
Retailer 9$1,439 CAD
Retailer 15$1,439 CAD
Retailer 16$1,805 CAD
Retailer 4$1,868 CAD
Retailer 10$2,273 CAD
Retailer 14$2,332 CAD
Retailer 17$3,322 CAD
Brilliant Earth$4,871 CAD

35 data points across 18 retailers

22 retailers$469 CAD to $4,871 CAD

A
Cheapest Retailer
-
$469 CAD
$335 USD
A
Retailer 2
-
$523 CAD
$374 USD
View
Final sale: no returns
A
Retailer 3
-
$544 CAD
$389 USD
View
A
Retailer 4
-
$581 CAD
$415 USD
View
A
Retailer 5
-
$581 CAD
$415 USD
View
A
Retailer 6
-
$602 CAD
£339 GBP
View
A
Retailer 7
-
$781 CAD
$558 USD
View
A
Retailer 8
-
$798 CAD
$570 USD
View
A
Retailer 9
-
$999 CAD
ZAR 11,529 ZAR
View
A
Retailer 10
-
$1,038 CAD
£584 GBP
View
A
Retailer 11
-
$1,044 CAD
$746 USD
View
A
Retailer 12
-
$1,439 CAD
$1,028 USD
View
A
Retailer 13
-
$1,439 CAD
$1,028 USD
View
B+
Retailer 14
-
$1,805 CAD
$1,290 USD
View
B+
Retailer 15
-
$1,868 CAD
$1,335 USD
View
B+
Retailer 16
-
$1,929 CAD
$1,379 USD
View
B+
Retailer 17
-
$2,196 CAD
$1,569 USD
View
B+
Retailer 18
-
$2,273 CAD
$1,624 USD
View
B+
Retailer 19
-
$2,332 CAD
£1,312 GBP
View
Retailer 20
-
$3,322 CAD
A$3,652 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
-
$3,893 CAD
£2,190 GBP
View
Most Expensive
B
Brilliant Earth
13387894A · Oct 29
$4,871 CAD
$3,480 USD
View
21 more retailers have this diamond
Prices start from $469 CADSave up to $4,402 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
$469 CAD