Princess|Lab Grown|IGI

2.50ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG508138498

Shape and cutting style on the report: Princess cut

Certificate IGI LG508138498

Diamond specifications and retailer prices

From $1,940 USD
As of October 31, 2026
Save $8,061 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,001 USD 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508138498 or 508138498. Listed at 13 retailers as of October 29, 2026, with prices from $1,940 to $10,001, a $8,061 spread on the same certified stone. MOH London lists it at $10,001. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138498
Dimensions7.48 × 7.25 × 5.33 mm
L/W Ratio1.03
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
7.48 mm7.25 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138498
Side View
Table 74.0%Crown 39°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 73.5%

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 31
Current: $10,001 USD|Low: $1,940 USD|High: $10,081 USD|Avg: $5,581 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6$1,940 USD
Retailer 8$4,004 USD
Retailer 3$4,196 USD
Retailer 4$4,483 USD
Retailer 9$4,644 USD
Retailer 12$4,644 USD
Retailer 11$5,803 USD
Retailer 5$6,098 USD
Retailer 7$6,159 USD
Retailer 2$6,272 USD
Retailer 10$7,193 USD
MOH London$10,001 USD

46 data points across 12 retailers

13 retailers$1,940 USD to $10,001 USD

A
Cheapest Retailer
-
$1,940 USD
B
Retailer 2
-
$4,004 USD
View
B
Retailer 3
-
$4,196 USD
View
B
Retailer 4
-
$4,483 USD
View
Final sale: no returns
B
Retailer 5
-
$4,644 USD
View
Retailer 6
-
$4,644 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$4,700 USD
View
B
Retailer 8
-
$5,803 USD
View
B
Retailer 9
-
$6,098 USD
£4,802 GBP
View
B
Retailer 10
-
$6,159 USD
View
B
Retailer 11
-
$6,272 USD
£4,939 GBP
View
B
Retailer 12
-
$7,193 USD
View
Most Expensive
B
MOH London
LG508138498 · Oct 29
$10,001 USD
£7,875 GBP
View
12 more retailers have this diamond
Prices start from $1,940 USDSave up to $8,061 USD

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
2.50ct Princess
$1,940 USD