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Princess|Lab Grown|IGI

1.51ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG523263406

Shape and cutting style on the report: Princess cut

Certificate IGI LG523263406

Diamond specifications and retailer prices

From $424 AUD
As of November 6, 2026
Save $1,678 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,102 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523263406 or 523263406. Listed at 15 retailers as of November 1, 2026, with prices from $424 to $2,102, a $1,678 spread on the same certified stone. MOH London lists it at $2,102. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263406
Dimensions6.35 × 6.26 × 4.57 mm
L/W Ratio1.01
Culet sizePointed
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
6.35 mm6.26 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263406
Side View
Table 68.5%Crown 41.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 73.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,102 AUD|Low: $406 AUD|High: $2,431 AUD|Avg: $1,105 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$424 AUD
Retailer 3$524 AUD
Retailer 9$524 AUD
Retailer 2$667 AUD
Retailer 6$750 AUD
Retailer 10$860 AUD
Retailer 4$918 AUD
Retailer 5$1,557 AUD
Retailer 7$1,611 AUD
Retailer 11$1,685 AUD
MOH London$2,102 AUD

43 data points across 11 retailers

15 retailers$424 AUD to $2,102 AUD

A
Cheapest Retailer
-
$424 AUD
A
Retailer 2
-
$473 AUD
View
Final sale: no returns
A
Retailer 3
-
$490 AUD
View
A
Retailer 4
-
$524 AUD
View
Retailer 5
-
$524 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$667 AUD
View
B+
Retailer 7
-
$750 AUD
View
B+
Retailer 8
-
$860 AUD
View
B+
Retailer 9
-
$902 AUD
View
B+
Retailer 10
-
$918 AUD
View
B
Retailer 11
-
$1,192 AUD
View
B
Retailer 12
-
$1,557 AUD
View
B
Retailer 13
-
$1,611 AUD
View
B
Retailer 14
-
$1,685 AUD
View
Most Expensive
B
MOH London
LG523263406 · Nov 1
$2,102 AUD
£1,137 GBP
View
14 more retailers have this diamond
Prices start from $424 AUDSave up to $1,678 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
1.51ct Princess
$424 AUD