CaratHunter
Plans
Heart|Lab Grown|IGI

1.52ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG784608144

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784608144

Diamond specifications and retailer prices

From $320 AUD
$225 USD
As of October 28, 2026
Save $1,401 AUD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,720 AUD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784608144 or 784608144. Listed at 17 retailers as of October 28, 2026, with prices from $320 to $1,720, a $1,401 spread on the same certified stone. Brilliant Earth lists it at $1,720. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784608144
Dimensions7.97 × 7.77 × 4.44 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm7.77 mm1.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784608144
Side View
Table 61.0%Crown 28.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 57.1%

Caratlytics Score

How it works →
A
Excellent
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 28
Current: $1,720 AUD|Low: $276 AUD|High: $1,763 AUD|Avg: $846 AUD|-2.4%
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
October 29, 2026
Retailer 12$287 AUD
Retailer 5$320 AUD
Retailer 3$357 AUD
Retailer 2$599 AUD
Retailer 8$619 AUD
Retailer 7$651 AUD
Retailer 9$655 AUD
Retailer 11$765 AUD
Retailer 4$829 AUD
Retailer 10$1,152 AUD
Retailer 13$1,187 AUD
Retailer 6$1,678 AUD
Brilliant Earth$1,720 AUD

40 data points across 13 retailers

17 retailers$320 AUD to $1,720 AUD

A
Retailer 1
-
$287 AUD
$202 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$320 AUD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$334 AUD
$235 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$357 AUD
$251 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$357 AUD
$251 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$599 AUD
€401 EUR
View
B+
Retailer 7
-
$619 AUD
$435 USD
View
B+
Retailer 8
-
$651 AUD
£361 GBP
View
A
Retailer 9
-
$655 AUD
$461 USD
View
B+
Retailer 10
-
$765 AUD
View
B+
Retailer 11
-
$829 AUD
$583 USD
View
B
Retailer 12
-
$1,147 AUD
$807 USD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$1,152 AUD
$810 USD
View
B
Retailer 14
-
$1,187 AUD
$835 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$1,223 AUD
$860 USD
View
B
Retailer 16
-
$1,678 AUD
£929 GBP
View
Most Expensive
B
Brilliant Earth
19823570A · Oct 28
$1,720 AUD
$1,210 USD
View
16 more retailers have this diamond
Prices start from $320 AUDSave up to $1,401 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
$320 AUD