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Radiant|Lab Grown|IGI

1.37ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG637481895

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

Certificate IGI LG637481895

Diamond specifications and retailer prices

From $635 SGD
£390 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $635 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 1.37ct lab-grown radiant diamond

This 1.37ct 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 LG637481895 or 637481895. 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

1.37
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637481895
Dimensions7.87 × 5.41 × 3.70 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm5.41 mm1.37 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637481895
Side View
Table 65.0%Crown 44.5°Girdle: MediumPavilion 35.6°CuletDepth 68.4%

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: $635 SGD|Low: $635 SGD|High: $635 SGD|Avg: $635 SGD
September 26, 2026
Diamond Quarter$635 SGD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
1.37SI1ELG95136CN · Oct 29
$635 SGD
£390 GBP
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B
1.37ct Radiant
$635 SGD