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Round|Lab Grown|IGI

2.50ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG500151149

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151149

Diamond specifications and retailer prices

From €1,226 EUR
$1,370 USD
As of October 31, 2026
Save €6,634 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,861 EUR at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500151149 or 500151149. Listed at 11 retailers as of October 29, 2026, with prices from €1,226 to €7,861, a €6,634 spread on the same certified stone. MOH London lists it at €7,861. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151149
Dimensions8.59 × 8.63 × 5.39 mm
L/W Ratio1.00
Girdle conditionFaceted
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
8.59 mm8.63 mm2.50 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151149
Side View
Table 56.0%Crown 35.8°GirdlePavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,861 EUR|Low: €1,226 EUR|High: €7,913 EUR|Avg: €4,037 EUR|+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
October 30, 2026
Retailer 7€1,226 EUR
Retailer 6€2,659 EUR
Retailer 10€2,893 EUR
Retailer 12€2,979 EUR
Retailer 8€3,084 EUR
Retailer 3€3,723 EUR
Retailer 11€3,855 EUR
Retailer 2€4,344 EUR
Retailer 5€4,432 EUR
Retailer 9€4,795 EUR
Retailer 4€6,905 EUR
MOH London€7,861 EUR

26 data points across 12 retailers

11 retailers€1,226 EUR to €7,861 EUR

A
Cheapest Retailer
-
€1,226 EUR
$1,370 USD
B+
Retailer 2
-
€2,659 EUR
$2,971 USD
View
B+
Retailer 3
-
€2,893 EUR
$3,232 USD
View
B+
Retailer 4
-
€2,979 EUR
$3,328 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,084 EUR
$3,446 USD
View
Retailer 6
-
€3,084 EUR
$3,446 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€3,855 EUR
$4,307 USD
View
B
Retailer 8
-
€4,344 EUR
£3,822 GBP
View
B
Retailer 9
-
€4,432 EUR
$4,952 USD
View
B
Retailer 10
-
€4,795 EUR
$5,357 USD
View
Most Expensive
B
MOH London
LG500151149 · Oct 29
€7,861 EUR
£6,915 GBP
View
10 more retailers have this diamond
Prices start from €1,226 EURSave up to €6,634 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
2.50ct Round
€1,226 EUR