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Radiant|Lab Grown|IGI

1.35ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG648444836

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

Certificate IGI LG648444836

Diamond specifications and retailer prices

From $709 CAD
£399 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $709 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 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648444836 or 648444836. Listed at a single retailer as of October 29, 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

1.35
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648444836
Dimensions7.90 × 5.50 × 3.59 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.90 mm5.50 mm1.35 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648444836
Side View
Table 66.0%Crown 45.7°Girdle: MediumPavilion 34.7°CuletDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $709 CAD|Low: $709 CAD|High: $709 CAD|Avg: $709 CAD
September 26, 2026
Diamond Quarter$709 CAD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.35SI1ELG366C21N · Oct 29
$709 CAD
£399 GBP
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B
1.35ct Radiant
$709 CAD