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Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG539225586

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

Certificate IGI LG539225586

Diamond specifications and retailer prices

From $327 CAD
$234 USD
As of October 30, 2026
Save $1,280 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,606 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539225586 or 539225586. Listed at 17 retailers as of October 30, 2026, with prices from $327 to $1,606, a $1,280 spread on the same certified stone. Brilliant Earth lists it at $1,606. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539225586
Dimensions7.40 × 5.49 × 3.63 mm
L/W Ratio1.35
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
7.40 mm5.49 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539225586
Side View
Table 64.5%Crown 37.2°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $1,606 CAD|Low: $327 CAD|High: $1,648 CAD|Avg: $895 CAD|-2.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11$327 CAD
Retailer 9$363 CAD
Retailer 4$624 CAD
Retailer 8$626 CAD
Retailer 2$670 CAD
Retailer 10$807 CAD
Retailer 5$887 CAD
Retailer 7$1,171 CAD
Retailer 3$1,426 CAD
Retailer 6$1,457 CAD
Brilliant Earth$1,606 CAD

41 data points across 11 retailers

17 retailers$327 CAD to $1,606 CAD

Retailer 1
-
$281 CAD
$201 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$327 CAD
$234 USD
View
Final sale: no returns
Retailer 3
-
$339 CAD
$243 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$363 CAD
$260 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$623 CAD
$446 USD
View
A
Retailer 6
-
$624 CAD
ZAR 7,211 ZAR
View
A
Retailer 7
-
$626 CAD
$448 USD
View
A
Retailer 8
-
$670 CAD
£378 GBP
View
B+
Retailer 9
-
$807 CAD
$578 USD
View
B+
Retailer 10
-
$887 CAD
A$977 AUD
View
B
Retailer 11
-
$935 CAD
£527 GBP
View
Retailer 12
-
$1,166 CAD
$835 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$1,171 CAD
$838 USD
View
B
Retailer 14
-
$1,241 CAD
$888 USD
View
Retailer 15
-
$1,426 CAD
£804 GBP
View
Price last confirmed 25 days ago
B
Retailer 16
-
$1,457 CAD
£821 GBP
View
Most Expensive
B
Brilliant Earth
6168464A · Oct 31
$1,606 CAD
$1,150 USD
View
16 more retailers have this diamond
Prices start from $327 CADSave up to $1,280 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
1.21ct Radiant
$327 CAD