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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 $446 AUD
$313 USD
As of October 30, 2026
Save $3,512 AUD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,958 AUD 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 $446 to $3,958, a $3,512 spread on the same certified stone. Do Amore Diamonds lists it at $3,958. 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: $3,958 AUD|Low: $446 AUD|High: $3,958 AUD|Avg: $1,306 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 5$446 AUD
Retailer 17$517 AUD
Retailer 2$530 AUD
Retailer 20$532 AUD
Retailer 4$552 AUD
Retailer 16$552 AUD
Retailer 6$776 AUD
Retailer 13$782 AUD
Retailer 10$911 AUD
Retailer 18$1,025 AUD
Retailer 14$1,091 AUD
Retailer 12$1,220 AUD
Retailer 7$1,267 AUD
Retailer 9$1,606 AUD
Retailer 19$1,619 AUD
Retailer 3$1,957 AUD
Retailer 15$1,979 AUD
Retailer 11$2,184 AUD
Retailer 8$2,392 AUD
Do Amore Diamonds$3,958 AUD

15 data points across 20 retailers

20 retailers$446 AUD to $3,958 AUD

A
Cheapest Retailer
-
$446 AUD
$313 USD
A
Retailer 2
-
$517 AUD
$363 USD
View
B+
Retailer 3
-
$530 AUD
$372 USD
View
A
Retailer 4
-
$532 AUD
$374 USD
View
A
Retailer 5
-
$552 AUD
$388 USD
View
A
Retailer 6
-
$552 AUD
$388 USD
View
B+
Retailer 7
-
$776 AUD
$545 USD
View
B+
Retailer 8
-
$782 AUD
£433 GBP
View
B+
Retailer 9
-
$911 AUD
$640 USD
View
B+
Retailer 10
-
$1,025 AUD
$720 USD
View
B+
Retailer 11
-
$1,091 AUD
£604 GBP
View
B
Retailer 12
-
$1,220 AUD
$857 USD
View
B
Retailer 13
-
$1,267 AUD
$890 USD
View
B
Retailer 14
-
$1,606 AUD
$1,128 USD
View
B
Retailer 15
-
$1,619 AUD
$1,137 USD
View
B
Retailer 16
-
$1,957 AUD
$1,375 USD
View
B
Retailer 17
-
$1,979 AUD
$1,390 USD
View
B
Retailer 18
-
$2,184 AUD
$1,534 USD
View
B
Retailer 19
-
$2,392 AUD
£1,323 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4B1B90368 · Oct 29
$3,958 AUD
$2,780 USD
View
19 more retailers have this diamond
Prices start from $446 AUDSave up to $3,512 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 Princess
$446 AUD