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Princess|Lab Grown|IGI

1.53ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG544280452

Shape and cutting style on the report: Princess cut

Certificate IGI LG544280452

Diamond specifications and retailer prices

From $313 AUD
$220 USD
As of October 27, 2026
Save $1,537 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,850 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.53ct lab-grown princess diamond

This 1.53ct 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 LG544280452 or 544280452. Listed at 17 retailers as of October 27, 2026, with prices from $313 to $1,850, a $1,537 spread on the same certified stone. Brilliant Earth lists it at $1,850. 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

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544280452
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544280452
Side View
Table 66.0%Crown 40.6°Girdle: MediumPavilion 38.6°Culet: NoneDepth 73.2%

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 27
Current: $1,850 AUD|Low: $300 AUD|High: $1,907 AUD|Avg: $849 AUD|-0.8%
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
October 29, 2026
Retailer 15$313 AUD
Retailer 7$349 AUD
Retailer 8$363 AUD
Retailer 4$387 AUD
Retailer 16$387 AUD
Retailer 11$499 AUD
Retailer 3$524 AUD
Retailer 10$629 AUD
Retailer 17$670 AUD
Retailer 2$721 AUD
Retailer 5$750 AUD
Retailer 14$1,247 AUD
Retailer 13$1,251 AUD
Retailer 9$1,322 AUD
Retailer 12$1,556 AUD
Retailer 6$1,789 AUD
Brilliant Earth$1,850 AUD

39 data points across 17 retailers

17 retailers$313 AUD to $1,850 AUD

A
Cheapest Retailer
-
$313 AUD
$220 USD
A
Retailer 2
-
$349 AUD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$363 AUD
$255 USD
View
A
Retailer 4
-
$387 AUD
$272 USD
View
A
Retailer 5
-
$387 AUD
$272 USD
View
A
Retailer 6
-
$499 AUD
£276 GBP
View
B+
Retailer 7
-
$524 AUD
$368 USD
View
A
Retailer 8
-
$629 AUD
€421 EUR
View
B+
Retailer 9
-
$670 AUD
$471 USD
View
B+
Retailer 10
-
$721 AUD
£399 GBP
View
B+
Retailer 11
-
$750 AUD
$527 USD
View
B
Retailer 12
-
$1,247 AUD
$876 USD
View
B
Retailer 13
-
$1,251 AUD
$879 USD
View
B
Retailer 14
-
$1,322 AUD
$929 USD
View
B
Retailer 15
-
$1,556 AUD
£861 GBP
View
B
Retailer 16
-
$1,789 AUD
$1,257 USD
View
Most Expensive
B
Brilliant Earth
16047210A · Oct 29
$1,850 AUD
$1,300 USD
View
16 more retailers have this diamond
Prices start from $313 AUDSave up to $1,537 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 Princess
$313 AUD