Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG620456864

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

Certificate IGI LG620456864

Diamond specifications and retailer prices

From $323 CAD
$231 USD
As of October 30, 2026
Save $1,479 CAD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,297 CAD at Do Amore Diamonds · As of October 31, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620456864 or 620456864. Listed at 19 retailers as of October 30, 2026, with a 458% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620456864
Dimensions7.56 × 5.22 × 3.50 mm
L/W Ratio1.45
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
7.56 mm5.22 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620456864
Side View
Table 66.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.0%

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: $833 CAD|Low: $309 CAD|High: $1,788 CAD|Avg: $788 CAD|+3.7%
Retailer 1
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
November 1, 2026
Retailer 14$323 CAD
Retailer 6$360 CAD
Retailer 4$373 CAD
Retailer 2$400 CAD
Retailer 15$400 CAD
Retailer 7$514 CAD
Retailer 13$535 CAD
Retailer 9$757 CAD
Retailer 1$833 CAD
Retailer 5$840 CAD
Retailer 10$1,069 CAD
Retailer 8$1,072 CAD
Retailer 12$1,288 CAD
Retailer 3$1,416 CAD
Retailer 11$1,776 CAD

43 data points across 15 retailers

19 retailers$323 CAD to $1,802 CAD

A
Cheapest Retailer
-
$323 CAD
$231 USD
A
Retailer 2
-
$360 CAD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$373 CAD
$267 USD
View
Retailer 4
-
$400 CAD
$286 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$400 CAD
$286 USD
View
A
Retailer 6
-
$514 CAD
$368 USD
View
A
Retailer 7
-
$535 CAD
$383 USD
View
A
Retailer 8
-
$757 CAD
ZAR 8,757 ZAR
View
B+
Retailer 9
-
$833 CAD
£470 GBP
View
B+
Retailer 10
-
$840 CAD
$601 USD
View
B+
Retailer 11
-
$1,069 CAD
A$1,177 AUD
View
B+
Retailer 12
-
$1,072 CAD
A$1,181 AUD
View
B
Retailer 13
-
$1,288 CAD
$922 USD
View
B
Retailer 14
-
$1,416 CAD
$1,014 USD
View
B
Retailer 15
-
$1,655 CAD
$1,185 USD
View
Retailer 16
-
$1,776 CAD
£1,001 GBP
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,802 CAD
$1,290 USD
View
Retailer 18
-
$3,087 CAD
$2,210 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-620456864 · Oct 31
$3,297 CAD
$2,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from $323 CADSave up to $1,479 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
$323 CAD