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Radiant|Lab Grown|IGI

1.03ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG620457800

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

Certificate IGI LG620457800

Diamond specifications and retailer prices

From $821 CAD
As of November 5, 2026
7 retailers carry this diamond
Most expensive: $1,179 CAD at MOH London · As of October 15, 2026
View at MOH London

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620457800 or 620457800. Listed at 7 retailers as of November 5, 2026. 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

1.03
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620457800
Dimensions7.11 × 4.99 × 3.39 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.11 mm4.99 mm1.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620457800
Side View
Table 65.0%Crown 40.6°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,179 CAD|Low: $174 CAD|High: $1,955 CAD|Avg: $734 CAD|+3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 17, 2026
Retailer 7$183 CAD
Retailer 9$204 CAD
Retailer 10$366 CAD
Retailer 5$415 CAD
Retailer 11$587 CAD
Retailer 3$660 CAD
Retailer 4$768 CAD
Retailer 8$774 CAD
Retailer 6$868 CAD
MOH London$1,179 CAD
Retailer 2$1,955 CAD

14 data points across 11 retailers

7 retailers

Retailer 1
-
$183 CAD
Price last confirmed 30 days ago
Retailer 2
-
$211 CAD
View
Price last confirmed 24 days ago
Retailer 3
-
$415 CAD
View
Price last confirmed 22 days ago
Retailer 4
-
$774 CAD
View
Price last confirmed 22 days ago
Retailer 5
-
$802 CAD
View
Price last confirmed 38 days ago
B
Retailer 6
-
$821 CAD
View
Most Expensive
MOH London
LG620457800 · Oct 15
$1,179 CAD
£660 GBP
View
Price last confirmed 22 days ago
6 more retailers have this diamond
Prices start from $821 CAD

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
1.03ct Radiant
$821 CAD