CaratHunter
Plans
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 $373 SGD
As of November 6, 2026
Save $1,478 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,851 SGD 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 $373 to $1,851, a $1,478 spread on the same certified stone. MOH London lists it at $1,851. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,851 SGD|Low: $358 SGD|High: $2,140 SGD|Avg: $973 SGD|-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$373 SGD
Retailer 3$461 SGD
Retailer 9$461 SGD
Retailer 2$587 SGD
Retailer 6$660 SGD
Retailer 10$757 SGD
Retailer 4$809 SGD
Retailer 5$1,371 SGD
Retailer 7$1,419 SGD
Retailer 11$1,484 SGD
MOH London$1,851 SGD

43 data points across 11 retailers

15 retailers$373 SGD to $1,851 SGD

A
Cheapest Retailer
-
$373 SGD
A
Retailer 2
-
$417 SGD
View
Final sale: no returns
A
Retailer 3
-
$432 SGD
View
A
Retailer 4
-
$461 SGD
View
Retailer 5
-
$461 SGD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$587 SGD
View
B+
Retailer 7
-
$660 SGD
View
B+
Retailer 8
-
$757 SGD
View
B+
Retailer 9
-
$795 SGD
View
B+
Retailer 10
-
$809 SGD
View
B
Retailer 11
-
$1,050 SGD
View
B
Retailer 12
-
$1,371 SGD
View
B
Retailer 13
-
$1,419 SGD
View
B
Retailer 14
-
$1,484 SGD
View
Most Expensive
B
MOH London
LG523263406 · Nov 1
$1,851 SGD
£1,137 GBP
View
14 more retailers have this diamond
Prices start from $373 SGDSave up to $1,478 SGD

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
$373 SGD