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Round|Lab Grown|IGI

2.50ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG780668455

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780668455

Diamond specifications and retailer prices

From €994 EUR
$1,111 USD
As of October 31, 2026
5 retailers carry this diamond
Most expensive: €4,810 EUR at Rare Carat · As of September 9, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780668455 or 780668455. Listed at 5 retailers as of October 31, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780668455
Dimensions8.72 × 8.80 × 5.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
8.72 mm8.80 mm2.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780668455
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €4,810 EUR|Low: €481 EUR|High: €6,373 EUR|Avg: €1,736 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
September 28, 2026
Retailer 15€481 EUR
Retailer 16€596 EUR
Retailer 17€840 EUR
Retailer 10€861 EUR
Retailer 13€883 EUR
Retailer 9€914 EUR
Retailer 3€967 EUR
Retailer 2€994 EUR
Retailer 14€1,399 EUR
Retailer 12€1,407 EUR
Retailer 6€1,425 EUR
Retailer 4€1,582 EUR
Retailer 7€1,937 EUR
Retailer 5€2,032 EUR
Retailer 11€2,267 EUR
Rare Carat€4,810 EUR
Retailer 8€6,373 EUR

6 data points across 17 retailers

5 retailers

Retailer 1
-
€589 EUR
$658 USD
Price last confirmed 43 days ago
A
Retailer 2
-
€994 EUR
$1,111 USD
View
Final sale: no returns
Retailer 3
-
€1,425 EUR
$1,592 USD
View
Price last confirmed 41 days ago
Retailer 4
-
€1,569 EUR
$1,753 USD
View
Price last confirmed 42 days ago
Most Expensive
Rare Carat
C108-2A · Sep 9
€4,810 EUR
$5,374 USD
View
Price last confirmed 53 days ago
4 more retailers have this diamond
Prices start from €994 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
€994 EUR