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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG735517685

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735517685

Diamond specifications and retailer prices

From $518 CAD
$370 USD
As of October 27, 2026
Save $2,003 CAD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,520 CAD at MOH London · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735517685 or 735517685. Listed at 21 retailers as of October 27, 2026, with prices from $518 to $2,520, a $2,003 spread on the same certified stone. MOH London lists it at $2,520. 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 angle40.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735517685
Dimensions7.76 × 7.76 × 7.37 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
7.76 mm7.76 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735517685
Side View
Table 60.0%Crown 40.8°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 57.5%

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 27
Current: $2,520 CAD|Low: $497 CAD|High: $2,538 CAD|Avg: $1,201 CAD|-0.6%
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
October 30, 2026
Retailer 12$518 CAD
Retailer 5$600 CAD
Retailer 13$642 CAD
Retailer 2$663 CAD
Retailer 10$854 CAD
Retailer 4$861 CAD
Retailer 7$1,038 CAD
Retailer 9$1,103 CAD
Retailer 6$1,159 CAD
Retailer 8$1,489 CAD
Retailer 11$1,882 CAD
Retailer 3$2,237 CAD
MOH London$2,520 CAD

34 data points across 13 retailers

21 retailers$518 CAD to $2,520 CAD

A
Cheapest Retailer
-
$518 CAD
$370 USD
A
Retailer 2
-
$578 CAD
$413 USD
View
Final sale: no returns
A
Retailer 3
-
$600 CAD
$429 USD
View
A
Retailer 4
-
$642 CAD
$459 USD
View
A
Retailer 5
-
$642 CAD
$459 USD
View
A
Retailer 6
-
$663 CAD
£373 GBP
View
A
Retailer 7
-
$854 CAD
$610 USD
View
A
Retailer 8
-
$861 CAD
$615 USD
View
A
Retailer 9
-
$997 CAD
$712 USD
View
A
Retailer 10
-
$1,038 CAD
€706 EUR
View
A
Retailer 11
-
$1,103 CAD
ZAR 12,730 ZAR
View
A
Retailer 12
-
$1,159 CAD
£652 GBP
View
A
Retailer 13
-
$1,457 CAD
$1,041 USD
View
A
Retailer 14
-
$1,489 CAD
A$1,637 AUD
View
B+
Retailer 15
-
$1,882 CAD
$1,345 USD
View
B+
Retailer 16
-
$2,060 CAD
$1,472 USD
View
B+
Retailer 17
-
$2,063 CAD
$1,474 USD
View
B+
Retailer 18
-
$2,118 CAD
$1,514 USD
View
B+
Retailer 19
-
$2,237 CAD
$1,598 USD
View
B
Retailer 20
-
$2,424 CAD
$1,732 USD
View
Most Expensive
B+
MOH London
LG735517685 · Oct 29
$2,520 CAD
£1,418 GBP
View
20 more retailers have this diamond
Prices start from $518 CADSave up to $2,003 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
$518 CAD