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Round|Lab Grown|IGI

2.50ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG499106401

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499106401

Diamond specifications and retailer prices

From €3,535 EUR
As of November 5, 2026
Save €2,818 EUR (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €8,761 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499106401 or 499106401. Listed at 8 retailers as of November 4, 2026, with a 80% 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499106401
Dimensions8.69 × 8.73 × 5.25 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.69 mm8.73 mm2.50 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499106401
Side View
Table 58.5%Crown 34.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €8,761 EUR|Low: €3,394 EUR|High: €9,317 EUR|Avg: €5,697 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3€3,535 EUR
Retailer 6€3,705 EUR
Retailer 4€4,101 EUR
Retailer 8€4,575 EUR
Retailer 7€5,125 EUR
Retailer 2€5,439 EUR
Retailer 5€6,353 EUR
MOH London€8,761 EUR
Retailer 9€9,317 EUR

15 data points across 9 retailers

8 retailers€3,535 EUR to €6,353 EUR

B+
Cheapest Retailer
-
€3,535 EUR
B
Retailer 2
-
€3,705 EUR
View
B
Retailer 3
-
€4,101 EUR
View
Retailer 4
-
€4,101 EUR
View
Price last confirmed 25 days ago
B
Retailer 5
-
€5,125 EUR
View
B
Retailer 6
-
€5,439 EUR
View
C
Retailer 7
-
€6,353 EUR
View
Most Expensive
MOH London
LG499106401 · Nov 5
€8,761 EUR
£7,743 GBP
View
Price under review
7 more retailers have this diamond
Prices start from €3,535 EURSave up to €2,818 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 Round
€3,535 EUR