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Radiant|Lab Grown|IGI

1.21ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG620444528

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

Certificate IGI LG620444528

Diamond specifications and retailer prices

From $285 CAD
$204 USD
As of November 2, 2026
Save $2,454 CAD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,739 CAD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620444528 or 620444528. Listed at 13 retailers as of November 2, 2026, with prices from $285 to $2,739, a $2,454 spread on the same certified stone. Do Amore Diamonds lists it at $2,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620444528
Dimensions7.12 × 5.33 × 3.67 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
7.12 mm5.33 mm1.21 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620444528
Side View
Table 63.0%Crown 45.5°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 68.9%

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 2
Current: $674 CAD|Low: $274 CAD|High: $1,533 CAD|Avg: $765 CAD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6$285 CAD
Retailer 3$319 CAD
Retailer 10$331 CAD
Retailer 7$354 CAD
Retailer 11$354 CAD
Retailer 4$460 CAD
Retailer 1$674 CAD
Retailer 2$799 CAD
Retailer 5$978 CAD
Retailer 9$1,207 CAD
Retailer 8$1,255 CAD
Retailer 12$1,533 CAD

24 data points across 12 retailers

13 retailers$285 CAD to $2,739 CAD

A
Cheapest Retailer
-
$285 CAD
$204 USD
A
Retailer 2
-
$319 CAD
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$331 CAD
$237 USD
View
A
Retailer 4
-
$354 CAD
$253 USD
View
Retailer 5
-
$354 CAD
$253 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$460 CAD
$329 USD
View
A
Retailer 7
-
$674 CAD
ZAR 7,792 ZAR
View
B+
Retailer 8
-
$799 CAD
$572 USD
View
B+
Retailer 9
-
$978 CAD
$700 USD
View
B
Retailer 10
-
$1,207 CAD
$864 USD
View
B
Retailer 11
-
$1,255 CAD
$898 USD
View
B
Retailer 12
-
$1,533 CAD
£864 GBP
View
Most Expensive
B
Do Amore Diamonds
27-ED7D7C1DD · Nov 2
$2,739 CAD
$1,960 USD
View
12 more retailers have this diamond
Prices start from $285 CADSave up to $2,454 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
$285 CAD