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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 $426 AUD
$299 USD
As of October 30, 2026
Save $3,945 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,370 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $426 to $4,370, a $3,945 spread on the same certified stone. Brilliant Earth lists it at $4,370. 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
Colour
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
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 30
Current: $4,370 AUD|Low: $364 AUD|High: $5,139 AUD|Avg: $1,480 AUD|-15.0%
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 30, 2026
Retailer 4$426 AUD
Retailer 11$494 AUD
Retailer 5$510 AUD
Retailer 13$737 AUD
Retailer 9$740 AUD
Retailer 12$897 AUD
Retailer 6$927 AUD
Retailer 7$978 AUD
Retailer 8$1,048 AUD
Retailer 2$1,226 AUD
Retailer 16$1,385 AUD
Retailer 14$1,696 AUD
Retailer 10$2,117 AUD
Retailer 15$2,167 AUD
Retailer 3$2,279 AUD
Brilliant Earth$4,370 AUD

32 data points across 16 retailers

14 retailers$426 AUD to $4,370 AUD

A
Cheapest Retailer
-
$426 AUD
$299 USD
A
Retailer 2
-
$494 AUD
$347 USD
View
A
Retailer 3
-
$510 AUD
$358 USD
View
Final sale: no returns
A
Retailer 4
-
$737 AUD
$518 USD
View
A
Retailer 5
-
$740 AUD
$520 USD
View
A
Retailer 6
-
$897 AUD
$630 USD
View
A
Retailer 7
-
$1,226 AUD
View
A
Retailer 8
-
$1,385 AUD
$973 USD
View
B+
Retailer 9
-
$1,696 AUD
$1,191 USD
View
B+
Retailer 10
-
$1,891 AUD
$1,328 USD
View
B+
Retailer 11
-
$2,117 AUD
£1,171 GBP
View
B+
Retailer 12
-
$2,167 AUD
$1,522 USD
View
B+
Retailer 13
-
$2,279 AUD
$1,601 USD
View
Most Expensive
B
Brilliant Earth
14086826A · Oct 30
$4,370 AUD
$3,070 USD
View
13 more retailers have this diamond
Prices start from $426 AUDSave up to $3,945 AUD

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
$426 AUD