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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG726564838

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726564838

Diamond specifications and retailer prices

From $280 USD
As of October 27, 2026
Save $3,140 USD (92%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,420 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct 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 LG726564838 or 726564838. Listed at 14 retailers as of October 27, 2026, with prices from $280 to $3,420, a $3,140 spread on the same certified stone. Brilliant Earth lists it at $3,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726564838
Dimensions6.99 × 7.88 × 4.57 mm
L/W Ratio1.13
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
6.99 mm7.88 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726564838
Side View
Table 57.0%Crown 36°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 58.0%

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: $3,420 USD|Low: $255 USD|High: $3,530 USD|Avg: $1,196 USD|-3.1%
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
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Retailer 17
October 28, 2026
Retailer 16$316 USD
Retailer 13$435 USD
Retailer 10$470 USD
Retailer 12$470 USD
Retailer 15$607 USD
Retailer 5$672 USD
Retailer 6$755 USD
Retailer 7$815 USD
Retailer 2$892 USD
Retailer 14$990 USD
Retailer 4$1,231 USD
Retailer 8$1,295 USD
Retailer 3$1,354 USD
Retailer 11$1,537 USD
Retailer 9$1,587 USD
Retailer 17$2,480 USD
Brilliant Earth$3,420 USD

29 data points across 17 retailers

14 retailers$280 USD to $3,420 USD

A
Cheapest Retailer
-
$280 USD
A
Retailer 2
-
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$325 USD
View
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$470 USD
View
A
Retailer 6
-
$470 USD
View
A
Retailer 7
-
$607 USD
View
A
Retailer 8
-
$892 USD
A$1,373 AUD
View
A
Retailer 9
-
$990 USD
View
B+
Retailer 10
-
$1,231 USD
View
B+
Retailer 11
-
$1,354 USD
View
B+
Retailer 12
-
$1,537 USD
£1,210 GBP
View
B
Retailer 13
-
$2,480 USD
View
Most Expensive
B
Brilliant Earth
21405909Y · Oct 28
$3,420 USD
View
13 more retailers have this diamond
Prices start from $280 USDSave up to $3,140 USD

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
1.50ct Heart
$280 USD