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Princess|Lab Grown|IGI

1.72ct E SI2 Princess Lab Grown Diamond

ID • E/SI2 • IGI LG519250030

Shape and cutting style on the report: Princess cut

Certificate IGI LG519250030

Diamond specifications and retailer prices

From $2,628 AUD
As of November 3, 2026
Save $1,653 AUD (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,281 AUD at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 1.72ct lab-grown princess diamond

This 1.72ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519250030 or 519250030. Listed at 4 retailers as of November 1, 2026, with prices from $2,628 to $4,281, a $1,653 spread on the same certified stone. Loose Grown Diamond lists it at $4,281. 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

1.72
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519250030
Dimensions6.63 × 6.53 × 4.53 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.63 mm6.53 mm1.72 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519250030
Side View
Table 69.0%Crown 37.1°Girdle: Slightly ThickPavilion 38.2°Culet: NoneDepth 69.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $4,281 AUD|Low: $2,628 AUD|High: $13,524 AUD|Avg: $6,159 AUD|+0.8%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 4, 2026
Retailer 5$2,628 AUD
Retailer 2$4,221 AUD
Loose Grown Diamond$4,281 AUD
Retailer 4$8,584 AUD
Retailer 3$13,524 AUD

5 data points across 5 retailers

4 retailers$2,628 AUD to $4,281 AUD

B
Cheapest Retailer
-
$2,628 AUD
Final sale: no returns
Most Expensive
B
Loose Grown Diamond
519250030 · Nov 1
$4,281 AUD
$2,997 USD
View
1 more retailer has this diamond
Prices start from $2,628 AUDSave up to $1,653 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.

B
1.72ct Princess
$2,628 AUD