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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 €270 EUR
As of November 6, 2026
Save €666 EUR (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €936 EUR at MOH London · As of November 5, 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 November 5, 2026, with prices from €270 to €936, a €666 spread on the same certified stone. MOH London lists it at €936. 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
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: Nov 6
Current: €936 EUR|Low: €270 EUR|High: €962 EUR|Avg: €538 EUR|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5€270 EUR
Retailer 3€346 EUR
Retailer 4€362 EUR
Retailer 2€408 EUR
Retailer 6€501 EUR
Retailer 7€693 EUR
Retailer 8€759 EUR
MOH London€936 EUR

19 data points across 8 retailers

8 retailers€270 EUR to €936 EUR

B+
Cheapest Retailer
-
€270 EUR
Retailer 2
-
€346 EUR
View
Price last confirmed 9 days ago
Retailer 3
-
€362 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€408 EUR
View
B+
Retailer 5
-
€501 EUR
View
B
Retailer 6
-
€693 EUR
View
Retailer 7
-
€759 EUR
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
LG814633215 · Nov 5
€936 EUR
£823 GBP
View
7 more retailers have this diamond
Prices start from €270 EURSave up to €666 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
€270 EUR