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Radiant|Lab Grown|IGI

1.21ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG570363543

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

Certificate IGI LG570363543

Diamond specifications and retailer prices

From $222 CAD
$159 USD
As of October 30, 2026
Save $1,226 CAD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,448 CAD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

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 LG570363543 or 570363543. Listed at 18 retailers as of October 30, 2026, with prices from $222 to $1,448, a $1,226 spread on the same certified stone. Flawless Fine Jewelry lists it at $1,448. 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 angle47.7°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570363543
Dimensions7.06 × 5.25 × 3.60 mm
L/W Ratio1.34
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
7.06 mm5.25 mm1.21 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570363543
Side View
Table 65.5%Crown 47.7°Girdle: MediumPavilion 31.3°Culet: NoneDepth 68.6%

Caratlytics Score

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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: $1,448 CAD|Low: $175 CAD|High: $1,490 CAD|Avg: $597 CAD|-2.9%
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 14$222 CAD
Retailer 4$258 CAD
Retailer 8$258 CAD
Retailer 6$275 CAD
Retailer 15$275 CAD
Retailer 9$322 CAD
Retailer 2$466 CAD
Retailer 10$473 CAD
Retailer 3$499 CAD
Retailer 16$555 CAD
Retailer 5$598 CAD
Retailer 7$626 CAD
Retailer 11$672 CAD
Retailer 17$887 CAD
Retailer 13$936 CAD
Retailer 12$1,292 CAD
Flawless Fine Jewelry$1,448 CAD

27 data points across 17 retailers

18 retailers$222 CAD to $1,448 CAD

A
Cheapest Retailer
-
$222 CAD
$159 USD
A
Retailer 2
-
$258 CAD
$185 USD
View
Final sale: no returns
A
Retailer 3
-
$258 CAD
$185 USD
View
A
Retailer 4
-
$275 CAD
$197 USD
View
A
Retailer 5
-
$275 CAD
$197 USD
View
A
Retailer 6
-
$322 CAD
HK$1,800 HKD
View
A
Retailer 7
-
$466 CAD
€318 EUR
View
A
Retailer 8
-
$473 CAD
ZAR 5,476 ZAR
View
B+
Retailer 9
-
$499 CAD
$357 USD
View
Retailer 10
-
$555 CAD
£313 GBP
View
Price last confirmed 27 days ago
A
Retailer 11
-
$598 CAD
$428 USD
View
A
Retailer 12
-
$626 CAD
$448 USD
View
A
Retailer 13
-
$672 CAD
A$740 AUD
View
B+
Retailer 14
-
$730 CAD
£412 GBP
View
B+
Retailer 15
-
$887 CAD
$635 USD
View
B
Retailer 16
-
$936 CAD
$670 USD
View
B
Retailer 17
-
$1,292 CAD
£728 GBP
View
Most Expensive
B
Flawless Fine Jewelry
867B905EA · Oct 31
$1,448 CAD
£816 GBP
View
17 more retailers have this diamond
Prices start from $222 CADSave up to $1,226 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
$222 CAD