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Heart|Lab Grown|IGI

1.53ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG528236792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG528236792

Diamond specifications and retailer prices

From $343 AUD
$241 USD
As of October 27, 2026
Save $2,119 AUD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,462 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 very-good cut grade and certified by IGI LG528236792 or 528236792. Listed at 18 retailers as of October 27, 2026, with prices from $343 to $2,462, a $2,119 spread on the same certified stone. Brilliant Earth lists it at $2,462. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528236792
Dimensions7.83 × 7.12 × 4.63 mm
L/W Ratio1.10
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
7.83 mm7.12 mm1.53 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528236792
Side View
Table 52.5%Crown 34.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 59.1%

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: $2,462 AUD|Low: $329 AUD|High: $2,462 AUD|Avg: $920 AUD
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 16$343 AUD
Retailer 3$383 AUD
Retailer 5$397 AUD
Retailer 8$424 AUD
Retailer 17$424 AUD
Retailer 2$545 AUD
Retailer 7$572 AUD
Retailer 6$680 AUD
Retailer 12$685 AUD
Retailer 9$783 AUD
Retailer 11$804 AUD
Retailer 14$831 AUD
Retailer 18$1,365 AUD
Retailer 15$1,369 AUD
Retailer 10$1,439 AUD
Retailer 13$1,703 AUD
Retailer 4$1,883 AUD
Brilliant Earth$2,462 AUD

39 data points across 18 retailers

18 retailers$343 AUD to $2,462 AUD

A
Cheapest Retailer
-
$343 AUD
$241 USD
A
Retailer 2
-
$383 AUD
$269 USD
View
Final sale: no returns
A
Retailer 3
-
$397 AUD
$279 USD
View
A
Retailer 4
-
$424 AUD
$298 USD
View
A
Retailer 5
-
$424 AUD
$298 USD
View
A
Retailer 6
-
$545 AUD
£302 GBP
View
B+
Retailer 7
-
$572 AUD
$402 USD
View
B+
Retailer 8
-
$680 AUD
$478 USD
View
B+
Retailer 9
-
$685 AUD
€458 EUR
View
B+
Retailer 10
-
$783 AUD
$550 USD
View
B+
Retailer 11
-
$804 AUD
£445 GBP
View
B+
Retailer 12
-
$831 AUD
View
B
Retailer 13
-
$1,365 AUD
$959 USD
View
B
Retailer 14
-
$1,369 AUD
$962 USD
View
B
Retailer 15
-
$1,439 AUD
$1,011 USD
View
B
Retailer 16
-
$1,703 AUD
£942 GBP
View
B
Retailer 17
-
$1,883 AUD
$1,323 USD
View
Most Expensive
B
Brilliant Earth
16031682A · Oct 28
$2,462 AUD
$1,730 USD
View
17 more retailers have this diamond
Prices start from $343 AUDSave up to $2,119 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
1.53ct Heart
$343 AUD