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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 $525 NZD
As of November 6, 2026
Save $2,080 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,605 NZD 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 $525 to $2,605, a $2,080 spread on the same certified stone. MOH London lists it at $2,605. 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: $2,605 NZD|Low: $503 NZD|High: $3,013 NZD|Avg: $1,370 NZD|-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$525 NZD
Retailer 3$649 NZD
Retailer 9$649 NZD
Retailer 2$826 NZD
Retailer 6$929 NZD
Retailer 10$1,066 NZD
Retailer 4$1,138 NZD
Retailer 5$1,930 NZD
Retailer 7$1,997 NZD
Retailer 11$2,089 NZD
MOH London$2,605 NZD

43 data points across 11 retailers

15 retailers$525 NZD to $2,605 NZD

A
Cheapest Retailer
-
$525 NZD
A
Retailer 2
-
$586 NZD
View
Final sale: no returns
A
Retailer 3
-
$608 NZD
View
A
Retailer 4
-
$649 NZD
View
Retailer 5
-
$649 NZD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$826 NZD
View
B+
Retailer 7
-
$929 NZD
View
B+
Retailer 8
-
$1,066 NZD
View
B+
Retailer 9
-
$1,118 NZD
View
B+
Retailer 10
-
$1,138 NZD
View
B
Retailer 11
-
$1,477 NZD
View
B
Retailer 12
-
$1,930 NZD
View
B
Retailer 13
-
$1,997 NZD
View
B
Retailer 14
-
$2,089 NZD
View
Most Expensive
B
MOH London
LG523263406 · Nov 1
$2,605 NZD
£1,137 GBP
View
14 more retailers have this diamond
Prices start from $525 NZDSave up to $2,080 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
1.51ct Princess
$525 NZD