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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 $897 CAD
$641 USD
As of October 27, 2026
Save $2,075 CAD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,972 CAD at MOH London · As of October 29, 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 27, 2026, with prices from $897 to $2,972, a $2,075 spread on the same certified stone. MOH London lists it at $2,972. 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 27
Current: $2,972 CAD|Low: $897 CAD|High: $2,992 CAD|Avg: $1,569 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$897 CAD
Retailer 4$969 CAD
Retailer 5$1,121 CAD
Retailer 2$1,330 CAD
Retailer 6$1,778 CAD
Retailer 3$2,610 CAD
MOH London$2,972 CAD

39 data points across 7 retailers

7 retailers$897 CAD to $2,972 CAD

A
Cheapest Retailer
-
$897 CAD
$641 USD
B+
Retailer 2
-
$969 CAD
$692 USD
View
A
Retailer 3
-
$1,121 CAD
$801 USD
View
B+
Retailer 4
-
$1,330 CAD
£748 GBP
View
B+
Retailer 5
-
$1,778 CAD
$1,270 USD
View
B
Retailer 6
-
$2,610 CAD
$1,865 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG828678895 · Oct 29
$2,972 CAD
£1,672 GBP
View
6 more retailers have this diamond
Prices start from $897 CADSave up to $2,075 CAD

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
$897 CAD