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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 €259 EUR
$291 USD
As of October 30, 2026
Save €1,028 EUR (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,287 EUR 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 October 30, 2026, with prices from €259 to €1,287, a €1,028 spread on the same certified stone. MOH London lists it at €1,287. 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
Color
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

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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: Oct 30
Current: €1,287 EUR|Low: €249 EUR|High: €1,489 EUR|Avg: €607 EUR|-1.0%
MOH London
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
November 1, 2026
Retailer 11€259 EUR
Retailer 6€290 EUR
Retailer 4€300 EUR
Retailer 3€321 EUR
Retailer 12€321 EUR
Retailer 2€411 EUR
Retailer 9€459 EUR
Retailer 13€527 EUR
Retailer 5€553 EUR
Retailer 7€569 EUR
Retailer 8€954 EUR
Retailer 10€987 EUR
Retailer 14€1,032 EUR
MOH London€1,287 EUR

41 data points across 14 retailers

15 retailers€259 EUR to €1,287 EUR

A
Cheapest Retailer
-
€259 EUR
$291 USD
A
Retailer 2
-
€290 EUR
$325 USD
View
Final sale: no returns
A
Retailer 3
-
€300 EUR
$337 USD
View
A
Retailer 4
-
€321 EUR
$360 USD
View
Retailer 5
-
€321 EUR
$360 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€411 EUR
£363 GBP
View
B+
Retailer 7
-
€459 EUR
$515 USD
View
B+
Retailer 8
-
€527 EUR
$591 USD
View
B+
Retailer 9
-
€553 EUR
$620 USD
View
B+
Retailer 10
-
€569 EUR
£502 GBP
View
B
Retailer 11
-
€730 EUR
HK$6,400 HKD
View
B
Retailer 12
-
€954 EUR
$1,070 USD
View
B
Retailer 13
-
€987 EUR
$1,107 USD
View
B
Retailer 14
-
€1,032 EUR
$1,158 USD
View
Most Expensive
B
MOH London
LG523263406 · Nov 1
€1,287 EUR
£1,137 GBP
View
14 more retailers have this diamond
Prices start from €259 EURSave up to €1,028 EUR

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
€259 EUR