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Radiant|Lab Grown|IGI

2.54ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG640477140

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

Certificate IGI LG640477140

Diamond specifications and retailer prices

From $1,255 CAD
£706 GBP
As of October 28, 2026
1 retailer carries this diamond
Only listing: $1,255 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 2.54ct lab-grown radiant diamond

This 2.54ct 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 LG640477140 or 640477140. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

2.54
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640477140
Dimensions9.55 × 6.68 × 4.58 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.55 mm6.68 mm2.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640477140
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 36.4°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $836 CAD|Low: $479 CAD|High: $1,234 CAD|Avg: $809 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
April 7, 2026
Retailer 2$572 CAD
Retailer 4$655 CAD
Retailer 1$836 CAD
Retailer 3$1,234 CAD

7 data points across 4 retailers

1 retailer

B+
Diamond Quarter
2.54SI1ELG405434N · Oct 28
$1,255 CAD
£706 GBP
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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+
2.54ct Radiant
$1,255 CAD