Radiant|Lab Grown|IGI

4.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG613377657

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

Certificate IGI LG613377657

Diamond specifications and retailer prices

From $2,251 CAD
£1,269 GBP
As of October 29, 2026
6 retailers carry this diamond
Most expensive: $4,622 CAD at Mervis Diamond Importers · As of October 21, 2026
View at Mervis Diamond Importers

About this 4.5ct lab-grown radiant diamond

This 4.5ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613377657 or 613377657. Listed at 6 retailers as of October 29, 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

4.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613377657
Dimensions11.97 × 8.12 × 5.35 mm
L/W Ratio1.47
Culet sizePointed
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
11.97 mm8.12 mm4.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613377657
Side View
Table 64.0%Crown 46°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $4,622 CAD|Low: $1,050 CAD|High: $8,284 CAD|Avg: $3,610 CAD
Mervis Diamond Importers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 18, 2026
Retailer 4$1,159 CAD
Retailer 2$1,402 CAD
Retailer 3$2,174 CAD
Retailer 6$2,737 CAD
Retailer 5$3,287 CAD
Mervis Diamond Importers$4,622 CAD
Retailer 8$5,261 CAD
Retailer 7$8,284 CAD

11 data points across 8 retailers

6 retailers

Retailer 1
-
$1,159 CAD
$830 USD
Price last confirmed 9 days ago
Retailer 2
-
$2,174 CAD
$1,556 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$2,251 CAD
£1,269 GBP
View
Retailer 4
-
$2,737 CAD
$1,959 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$3,287 CAD
$2,353 USD
View
Price last confirmed 9 days ago
Most Expensive
Mervis Diamond Importers
1989214125 · Oct 21
$4,622 CAD
$3,309 USD
View
Price last confirmed 9 days ago
5 more retailers have this diamond
Prices start from $2,251 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+
4.50ct Radiant
$2,251 CAD