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Round|Lab Grown|IGI

2.50ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG459132301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG459132301

Diamond specifications and retailer prices

From €2,587 EUR
$2,890 USD
As of October 31, 2026
Save €1,355 EUR (34%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,415 EUR at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG459132301 or 459132301. Listed at 12 retailers as of October 31, 2026, with a 52% 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459132301
Dimensions8.68 × 8.65 × 5.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.68 mm8.65 mm2.50 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459132301
Side View
Table 54.0%Crown 33.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,415 EUR|Low: €2,587 EUR|High: €8,863 EUR|Avg: €5,234 EUR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6€2,587 EUR
Retailer 5€3,520 EUR
Retailer 9€3,942 EUR
Retailer 7€4,083 EUR
Retailer 10€4,083 EUR
Retailer 2€5,334 EUR
Friendly Diamonds€5,415 EUR
Retailer 8€6,325 EUR
Retailer 3€7,066 EUR
Retailer 4€8,793 EUR

45 data points across 10 retailers

12 retailers€2,587 EUR to €3,942 EUR

B
Cheapest Retailer
-
€2,587 EUR
$2,890 USD
B
Retailer 2
-
€3,520 EUR
$3,933 USD
View
B
Retailer 3
-
€3,689 EUR
$4,121 USD
View
B
Retailer 4
-
€3,942 EUR
$4,404 USD
View
Final sale: no returns
Retailer 5
-
€4,083 EUR
$4,562 USD
View
Price under review
Retailer 6
-
€4,083 EUR
$4,562 USD
View
Price under review
Retailer 7
-
€5,103 EUR
$5,701 USD
View
Price under review
Retailer 8
-
€5,334 EUR
£4,693 GBP
View
Price under review
Most Expensive
Friendly Diamonds
1580358 · Oct 30
€5,415 EUR
$6,050 USD
View
Price under review
8 more retailers have this diamond
Prices start from €2,587 EURSave up to €1,355 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
€2,587 EUR