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Heart|Lab Grown|IGI

1.52ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG671421204

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671421204

Diamond specifications and retailer prices

From $299 USD
As of October 27, 2026
Save $3,191 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,490 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.52ct lab-grown heart diamond

This 1.52ct 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 LG671421204 or 671421204. Listed at 14 retailers as of October 27, 2026, with prices from $299 to $3,490, a $3,191 spread on the same certified stone. Brilliant Earth lists it at $3,490. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671421204
Dimensions7.04 × 8.03 × 4.63 mm
L/W Ratio1.14
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
7.04 mm8.03 mm1.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671421204
Side View
Table 56.0%Crown 35.2°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 57.7%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,490 USD|Low: $256 USD|High: $3,610 USD|Avg: $1,043 USD|-3.3%
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
October 28, 2026
Retailer 4$299 USD
Retailer 11$347 USD
Retailer 5$358 USD
Retailer 13$518 USD
Retailer 9$520 USD
Retailer 12$630 USD
Retailer 6$651 USD
Retailer 7$687 USD
Retailer 8$736 USD
Retailer 2$861 USD
Retailer 16$973 USD
Retailer 14$1,191 USD
Retailer 10$1,487 USD
Retailer 15$1,522 USD
Retailer 3$1,601 USD
Brilliant Earth$3,490 USD

32 data points across 16 retailers

14 retailers$299 USD to $3,490 USD

A+
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$347 USD
View
A
Retailer 3
-
$358 USD
View
Final sale: no returns
A
Retailer 4
-
$518 USD
View
A
Retailer 5
-
$520 USD
View
A
Retailer 6
-
$630 USD
View
A
Retailer 7
-
$861 USD
A$1,325 AUD
View
A
Retailer 8
-
$973 USD
View
A
Retailer 9
-
$1,191 USD
View
B+
Retailer 10
-
$1,328 USD
View
B+
Retailer 11
-
$1,487 USD
£1,171 GBP
View
B+
Retailer 12
-
$1,522 USD
View
B+
Retailer 13
-
$1,601 USD
View
Most Expensive
B
Brilliant Earth
14086826A · Oct 28
$3,490 USD
View
13 more retailers have this diamond
Prices start from $299 USDSave up to $3,191 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+
1.52ct Heart
$299 USD