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Radiant|Lab Grown|IGI

1.33ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG636486842

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

Certificate IGI LG636486842

Diamond specifications and retailer prices

From $649 SGD
£399 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $649 SGD 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 1.33ct lab-grown radiant diamond

This 1.33ct 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 LG636486842 or 636486842. 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

1.33
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636486842
Dimensions7.81 × 5.36 × 3.65 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.36 mm1.33 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636486842
Side View
Table 66.0%Crown 30.2°Girdle: MediumPavilion 35°CuletDepth 68.1%

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: $649 SGD|Low: $649 SGD|High: $649 SGD|Avg: $649 SGD
September 26, 2026
Diamond Quarter$649 SGD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.33SI1ELG4210EBN · Oct 29
$649 SGD
£399 GBP
View

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B
1.33ct Radiant
$649 SGD