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Radiant|Lab Grown|IGI

2.51ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG828678895

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

Certificate IGI LG828678895

Diamond specifications and retailer prices

From €574 EUR
$641 USD
As of October 30, 2026
Save €1,317 EUR (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,890 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct lab-grown radiant diamond

This 2.51ct 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 LG828678895 or 828678895. Listed at 7 retailers as of October 30, 2026, with prices from €574 to €1,890, a €1,317 spread on the same certified stone. MOH London lists it at €1,890. 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

2.51
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828678895
Dimensions9.75 × 6.80 × 4.28 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.75 mm6.80 mm2.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828678895
Side View
Table 65.0%Crown 40.8°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 62.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €1,890 EUR|Low: €574 EUR|High: €1,913 EUR|Avg: €1,012 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7€574 EUR
Retailer 4€619 EUR
Retailer 5€717 EUR
Retailer 2€853 EUR
Retailer 6€1,137 EUR
Retailer 3€1,669 EUR
MOH London€1,890 EUR

41 data points across 7 retailers

7 retailers€574 EUR to €1,890 EUR

A
Cheapest Retailer
-
€574 EUR
$641 USD
B+
Retailer 2
-
€619 EUR
$692 USD
View
A
Retailer 3
-
€717 EUR
$801 USD
View
B+
Retailer 4
-
€853 EUR
£750 GBP
View
B+
Retailer 5
-
€1,137 EUR
$1,270 USD
View
Retailer 6
-
€1,669 EUR
$1,865 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG828678895 · Nov 1
€1,890 EUR
£1,663 GBP
View
6 more retailers have this diamond
Prices start from €574 EURSave up to €1,317 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
2.51ct Radiant
€574 EUR