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Radiant|Lab Grown|IGI

1.83ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG638407437

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

Certificate IGI LG638407437

Diamond specifications and retailer prices

From $796 CAD
£449 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $796 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 1.83ct lab-grown radiant diamond

This 1.83ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG638407437 or 638407437. 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

1.83
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638407437
Dimensions8.87 × 6.11 × 4.03 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.87 mm6.11 mm1.83 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638407437
Side View
Table 66.0%Crown 41°Girdle: MediumPavilion 36.5°CuletDepth 66.0%

Caratlytics Score

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

Last verified: Oct 29
Current: $796 CAD|Low: $796 CAD|High: $796 CAD|Avg: $796 CAD
September 26, 2026
Diamond Quarter$796 CAD

1 data point across 1 retailer

1 retailer

B+
Diamond Quarter
1.83SI1GLG372819N · Oct 29
$796 CAD
£449 GBP
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B+
1.83ct Radiant
$796 CAD