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Princess|Lab Grown|IGI

1.50ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG582390740

Shape and cutting style on the report: Princess cut

Certificate IGI LG582390740

Diamond specifications and retailer prices

From $557 NZD
$313 USD
As of October 30, 2026
Save $4,392 NZD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,950 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess 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 LG582390740 or 582390740. Listed at 20 retailers as of October 29, 2026, with prices from $557 to $4,950, a $4,392 spread on the same certified stone. Do Amore Diamonds lists it at $4,950. 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 angle40.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582390740
Dimensions6.34 × 6.19 × 4.47 mm
L/W Ratio1.02
Top View
6.34 mm6.19 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582390740
Side View
Table 67.0%Crown 40.9°Girdle: MediumPavilion 38.4°Culet: NoneDepth 72.2%

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 30
Current: $4,950 NZD|Low: $557 NZD|High: $4,950 NZD|Avg: $1,633 NZD
Do Amore Diamonds
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 5$557 NZD
Retailer 17$646 NZD
Retailer 2$662 NZD
Retailer 20$666 NZD
Retailer 4$691 NZD
Retailer 16$691 NZD
Retailer 6$970 NZD
Retailer 13$978 NZD
Retailer 10$1,140 NZD
Retailer 18$1,282 NZD
Retailer 14$1,365 NZD
Retailer 12$1,526 NZD
Retailer 7$1,585 NZD
Retailer 9$2,008 NZD
Retailer 19$2,024 NZD
Retailer 3$2,448 NZD
Retailer 15$2,475 NZD
Retailer 11$2,732 NZD
Retailer 8$2,992 NZD
Do Amore Diamonds$4,950 NZD

15 data points across 20 retailers

20 retailers$557 NZD to $4,950 NZD

A
Cheapest Retailer
-
$557 NZD
$313 USD
A
Retailer 2
-
$646 NZD
$363 USD
View
B+
Retailer 3
-
$662 NZD
$372 USD
View
A
Retailer 4
-
$666 NZD
$374 USD
View
A
Retailer 5
-
$691 NZD
$388 USD
View
A
Retailer 6
-
$691 NZD
$388 USD
View
B+
Retailer 7
-
$970 NZD
$545 USD
View
B+
Retailer 8
-
$978 NZD
£433 GBP
View
B+
Retailer 9
-
$1,140 NZD
$640 USD
View
B+
Retailer 10
-
$1,282 NZD
$720 USD
View
B+
Retailer 11
-
$1,365 NZD
£604 GBP
View
B
Retailer 12
-
$1,526 NZD
$857 USD
View
B
Retailer 13
-
$1,585 NZD
$890 USD
View
B
Retailer 14
-
$2,008 NZD
$1,128 USD
View
B
Retailer 15
-
$2,024 NZD
$1,137 USD
View
B
Retailer 16
-
$2,448 NZD
$1,375 USD
View
B
Retailer 17
-
$2,475 NZD
$1,390 USD
View
B
Retailer 18
-
$2,732 NZD
$1,534 USD
View
B
Retailer 19
-
$2,992 NZD
£1,323 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B1B90368 · Oct 29
$4,950 NZD
$2,780 USD
View
19 more retailers have this diamond
Prices start from $557 NZDSave up to $4,392 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 Princess
$557 NZD