Princess|Lab Grown|IGI

1.51ct F SI1 Princess Lab Grown Diamond

EX • F/SI1 • IGI LG814633215

Shape and cutting style on the report: Princess cut

Certificate IGI LG814633215

Diamond specifications and retailer prices

From €269 EUR
$302 USD
As of October 30, 2026
Save €671 EUR (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €940 EUR at MOH London · As of October 29, 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 LG814633215 or 814633215. Listed at 8 retailers as of October 29, 2026, with prices from €269 to €940, a €671 spread on the same certified stone. MOH London lists it at €940. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.9°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814633215
Dimensions6.34 × 6.01 × 4.44 mm
L/W Ratio1.05
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm6.01 mm1.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG814633215
Side View
Table 71.0%Crown 44.9°Girdle: ThickPavilion 36.9°Culet: NoneDepth 73.9%

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: Oct 30
Current: €940 EUR|Low: €269 EUR|High: €959 EUR|Avg: €538 EUR|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4€269 EUR
Retailer 2€345 EUR
Retailer 3€361 EUR
Retailer 5€407 EUR
Retailer 6€498 EUR
Retailer 7€691 EUR
Retailer 8€755 EUR
MOH London€940 EUR

20 data points across 8 retailers

8 retailers€269 EUR to €940 EUR

B+
Cheapest Retailer
-
€269 EUR
$302 USD
A
Retailer 2
-
€345 EUR
View
A
Retailer 3
-
€361 EUR
£319 GBP
View
B+
Retailer 4
-
€407 EUR
$456 USD
View
B+
Retailer 5
-
€498 EUR
$559 USD
View
B
Retailer 6
-
€691 EUR
$775 USD
View
Retailer 7
-
€755 EUR
$847 USD
View
Price last confirmed 40 days ago
Most Expensive
B
MOH London
LG814633215 · Oct 29
€940 EUR
£830 GBP
View
7 more retailers have this diamond
Prices start from €269 EURSave up to €671 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
€269 EUR