Princess|Lab Grown|IGI

2.50ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG506195903

Shape and cutting style on the report: Princess cut

Certificate IGI LG506195903

Diamond specifications and retailer prices

From €1,280 EUR
$1,430 USD
As of October 30, 2026
Save €3,917 EUR (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €8,529 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 2.5ct lab-grown princess diamond

This 2.5ct lab-grown princess sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506195903 or 506195903. Listed at 11 retailers as of October 26, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.50
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506195903
Dimensions7.58 × 7.21 × 5.54 mm
L/W Ratio1.05
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
7.58 mm7.21 mm2.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506195903
Side View
Table 61.5%Crown 37.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 76.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €8,529 EUR|Low: €1,280 EUR|High: €11,978 EUR|Avg: €5,027 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2€1,280 EUR
Retailer 4€2,886 EUR
Retailer 6€3,230 EUR
Retailer 8€3,301 EUR
Retailer 7€3,486 EUR
Retailer 9€3,898 EUR
Retailer 3€4,711 EUR
Retailer 5€5,197 EUR
MOH London€8,529 EUR
Retailer 10€11,978 EUR

13 data points across 10 retailers

11 retailers€1,280 EUR to €5,197 EUR

B+
Cheapest Retailer
-
€1,280 EUR
$1,430 USD
B
Retailer 2
-
€2,886 EUR
$3,224 USD
View
B
Retailer 3
-
€3,139 EUR
$3,507 USD
View
B
Retailer 4
-
€3,230 EUR
$3,609 USD
View
Final sale: no returns
B
Retailer 5
-
€3,348 EUR
$3,740 USD
View
Retailer 6
-
€3,348 EUR
$3,740 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€3,486 EUR
$3,895 USD
View
B
Retailer 8
-
€4,183 EUR
$4,673 USD
View
B
Retailer 9
-
€4,711 EUR
$5,263 USD
View
B
Retailer 10
-
€5,197 EUR
$5,806 USD
View
Most Expensive
MOH London
LG506195903 · Oct 29
€8,529 EUR
£7,503 GBP
View
Price under review
10 more retailers have this diamond
Prices start from €1,280 EURSave up to €3,917 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.

B+
2.50ct Princess
€1,280 EUR