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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 $406 NZD
As of November 6, 2026
Save $1,705 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,165 NZD 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 November 5, 2026, with a 420% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,165 NZD|Low: $406 NZD|High: $2,237 NZD|Avg: $1,133 NZD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$406 NZD
Retailer 4$613 NZD
Retailer 5$750 NZD
Retailer 6$812 NZD
Retailer 2$823 NZD
Retailer 7$1,461 NZD
Retailer 3$2,111 NZD
Brilliant Earth$2,165 NZD

42 data points across 8 retailers

14 retailers$406 NZD to $2,111 NZD

Retailer 1
-
$364 NZD
Price last confirmed 29 days ago
A
Retailer 2
-
$406 NZD
View
Final sale: no returns
Retailer 3
-
$424 NZD
View
Price last confirmed 38 days ago
Retailer 4
-
$453 NZD
View
Price last confirmed 34 days ago
Retailer 5
-
$453 NZD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$613 NZD
View
A
Retailer 7
-
$750 NZD
View
A
Retailer 8
-
$812 NZD
View
B+
Retailer 9
-
$823 NZD
View
Retailer 10
-
$1,456 NZD
View
Price last confirmed 37 days ago
B
Retailer 11
-
$1,461 NZD
View
B
Retailer 12
-
$1,551 NZD
View
B
Retailer 13
-
$2,111 NZD
View
Most Expensive
Brilliant Earth
21109587A · Oct 28
$2,165 NZD
$1,200 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $406 NZDSave up to $1,705 NZD

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
$406 NZD