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Radiant|Lab Grown|IGI

5.20ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG621479819

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

Certificate IGI LG621479819

Diamond specifications and retailer prices

From $1,565 CAD
$1,120 USD
As of November 1, 2026
Save $3,074 CAD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,639 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 5.2ct lab-grown radiant diamond

This 5.2ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621479819 or 621479819. Listed at 6 retailers as of November 1, 2026, with prices from $1,565 to $4,639, a $3,074 spread on the same certified stone. MOH London lists it at $4,639. 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

5.20
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621479819
Dimensions12.82 × 8.54 × 5.51 mm
L/W Ratio1.50
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
12.82 mm8.54 mm5.20 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621479819
Side View
Table 66.0%Crown 42.8°Girdle: THN-MEDPavilion 33.2°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,639 CAD|Low: $1,506 CAD|High: $4,701 CAD|Avg: $2,441 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$1,565 CAD
Retailer 3$1,636 CAD
Retailer 2$1,674 CAD
Retailer 5$1,941 CAD
Retailer 6$3,453 CAD
MOH London$4,639 CAD

40 data points across 6 retailers

6 retailers$1,565 CAD to $4,639 CAD

A
Cheapest Retailer
-
$1,565 CAD
$1,120 USD
B+
Retailer 2
-
$1,636 CAD
$1,171 USD
View
A
Retailer 3
-
$1,674 CAD
£943 GBP
View
B+
Retailer 4
-
$1,941 CAD
$1,389 USD
View
B
Retailer 5
-
$3,453 CAD
$2,471 USD
View
Most Expensive
B
MOH London
LG621479819 · Nov 1
$4,639 CAD
£2,614 GBP
View
5 more retailers have this diamond
Prices start from $1,565 CADSave up to $3,074 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.

A
5.20ct Radiant
$1,565 CAD