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Radiant|Lab Grown|IGI

2.50ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG677505323

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG677505323

Diamond specifications and retailer prices

From €811 EUR
£713 GBP
As of October 28, 2026
2 retailers carry this diamond
Most expensive: €1,990 EUR at Rare Carat
View at Rare Carat

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG677505323 or 677505323. Listed at 2 retailers as of October 28, 2026. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677505323
Dimensions9.23 × 6.69 × 4.50 mm
L/W Ratio1.38
Culet sizePointed
Top View
9.23 mm6.69 mm2.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677505323
Side View
Table 66.0%Crown 47.3°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: €1,990 EUR|Low: €61 EUR|High: €3,697 EUR|Avg: €1,382 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
June 2, 2026
Retailer 2€61 EUR
Retailer 3€353 EUR
Retailer 9€455 EUR
Retailer 4€579 EUR
Retailer 8€600 EUR
Retailer 6€753 EUR
Retailer 5€980 EUR
Retailer 7€1,100 EUR
Rare Carat€1,990 EUR
Retailer 10€3,697 EUR

57 data points across 10 retailers

2 retailers

B+
Cheapest Retailer
-
€811 EUR
£713 GBP
Most Expensive
Rare Carat
677505323
€1,990 EUR
$2,223 USD
View
1 more retailer has this diamond
Prices start from €811 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 Radiant
€811 EUR