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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG830660467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830660467

Diamond specifications and retailer prices

From $320 AUD
$225 USD
As of October 30, 2026
Save $1,388 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,708 AUD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830660467 or 830660467. Listed at 14 retailers as of October 28, 2026, with prices from $320 to $1,708, a $1,388 spread on the same certified stone. Brilliant Earth lists it at $1,708. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830660467
Dimensions7.96 × 7.37 × 4.29 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.96 mm7.37 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830660467
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 53.9%

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: $1,708 AUD|Low: $228 AUD|High: $1,765 AUD|Avg: $925 AUD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$320 AUD
Retailer 3$598 AUD
Retailer 5$619 AUD
Retailer 6$641 AUD
Retailer 2$656 AUD
Retailer 7$1,153 AUD
Retailer 9$1,225 AUD
Retailer 4$1,672 AUD
Brilliant Earth$1,708 AUD

40 data points across 9 retailers

14 retailers$320 AUD to $1,708 AUD

Retailer 1
-
$288 AUD
$202 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$320 AUD
$225 USD
View
Final sale: no returns
Retailer 3
-
$335 AUD
$235 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$357 AUD
$251 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$357 AUD
$251 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$598 AUD
€400 EUR
View
B+
Retailer 7
-
$619 AUD
$435 USD
View
A
Retailer 8
-
$641 AUD
$450 USD
View
B+
Retailer 9
-
$656 AUD
£363 GBP
View
Retailer 10
-
$1,149 AUD
$807 USD
View
Price last confirmed 31 days ago
B
Retailer 11
-
$1,153 AUD
$810 USD
View
B
Retailer 12
-
$1,225 AUD
$860 USD
View
B
Retailer 13
-
$1,672 AUD
£925 GBP
View
Most Expensive
B
Brilliant Earth
21109587A · Oct 28
$1,708 AUD
$1,200 USD
View
13 more retailers have this diamond
Prices start from $320 AUDSave up to $1,388 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
1.50ct Heart
$320 AUD