Radiant|Lab Grown|IGI

1.21ct D VVS1 Radiant Lab Grown Diamond

GD • D/VVS1 • IGI LG623420555

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

Certificate IGI LG623420555

Diamond specifications and retailer prices

From $289 CAD
$207 USD
As of October 30, 2026
Save $2,491 CAD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,780 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 VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG623420555 or 623420555. Listed at 21 retailers as of October 30, 2026, with prices from $289 to $2,780, a $2,491 spread on the same certified stone. Do Amore Diamonds lists it at $2,780. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Color
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623420555
Dimensions7.65 × 5.23 × 3.55 mm
L/W Ratio1.46
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
7.65 mm5.23 mm1.21 ctD / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623420555
Side View
Table 64.0%Crown 41.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $735 CAD|Low: $278 CAD|High: $2,682 CAD|Avg: $911 CAD|+3.8%
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 4$289 CAD
Retailer 14$323 CAD
Retailer 3$337 CAD
Retailer 2$359 CAD
Retailer 17$359 CAD
Retailer 7$483 CAD
Retailer 9$574 CAD
Retailer 11$681 CAD
Retailer 1$735 CAD
Retailer 12$967 CAD
Retailer 16$1,159 CAD
Retailer 5$1,275 CAD
Retailer 6$1,328 CAD
Retailer 15$1,495 CAD
Retailer 8$1,554 CAD
Retailer 13$1,591 CAD
Retailer 10$2,598 CAD

44 data points across 17 retailers

21 retailers$289 CAD to $2,780 CAD

A
Cheapest Retailer
-
$289 CAD
$207 USD
A
Retailer 2
-
$323 CAD
$231 USD
View
Final sale: no returns
A
Retailer 3
-
$337 CAD
$241 USD
View
A
Retailer 4
-
$359 CAD
$257 USD
View
A
Retailer 5
-
$359 CAD
$257 USD
View
B+
Retailer 6
-
$483 CAD
$346 USD
View
B+
Retailer 7
-
$574 CAD
$411 USD
View
B+
Retailer 8
-
$636 CAD
$455 USD
View
B+
Retailer 9
-
$681 CAD
ZAR 7,879 ZAR
View
B+
Retailer 10
-
$735 CAD
£414 GBP
View
B+
Retailer 11
-
$967 CAD
A$1,065 AUD
View
B
Retailer 12
-
$1,159 CAD
$830 USD
View
B
Retailer 13
-
$1,275 CAD
$913 USD
View
Retailer 14
-
$1,328 CAD
A$1,463 AUD
View
Price last confirmed 23 days ago
Retailer 15
-
$1,495 CAD
$1,070 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,515 CAD
$1,084 USD
View
B
Retailer 17
-
$1,554 CAD
£876 GBP
View
B
Retailer 18
-
$1,591 CAD
£897 GBP
View
B
Retailer 19
-
$1,700 CAD
$1,217 USD
View
B
Retailer 20
-
$2,598 CAD
$1,860 USD
View
Most Expensive
B
Do Amore Diamonds
27-EBF7213F3 · Oct 31
$2,780 CAD
$1,990 USD
View
20 more retailers have this diamond
Prices start from $289 CADSave up to $2,491 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
$289 CAD