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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG836604372

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

Certificate IGI LG836604372

Diamond specifications and retailer prices

From $360 CAD
$258 USD
As of October 30, 2026
Save $1,444 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,805 CAD at Reve Diamonds · As of November 1, 2026
View at Reve 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 LG836604372 or 836604372. Listed at 16 retailers as of October 30, 2026, with prices from $360 to $1,805, a $1,444 spread on the same certified stone. Reve Diamonds lists it at $1,805. 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 angle41.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836604372
Dimensions5.89 × 5.72 × 3.98 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.72 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836604372
Side View
Table 67.0%Crown 41.9°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 69.6%

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: Oct 30
Current: $1,602 CAD|Low: $360 CAD|High: $1,805 CAD|Avg: $979 CAD|-1.1%
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
Reve Diamonds
November 1, 2026
Retailer 6$360 CAD
Retailer 14$400 CAD
Retailer 8$534 CAD
Retailer 15$538 CAD
Retailer 9$667 CAD
Retailer 10$687 CAD
Retailer 5$704 CAD
Retailer 3$735 CAD
Retailer 12$1,027 CAD
Retailer 13$1,049 CAD
Retailer 2$1,291 CAD
Retailer 4$1,356 CAD
Retailer 7$1,358 CAD
Retailer 1$1,602 CAD
Retailer 11$1,648 CAD
Reve Diamonds$1,805 CAD

35 data points across 16 retailers

16 retailers$360 CAD to $1,805 CAD

A
Cheapest Retailer
-
$360 CAD
$258 USD
Final sale: no returns
A
Retailer 2
-
$400 CAD
$286 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$534 CAD
£301 GBP
View
A
Retailer 4
-
$538 CAD
$385 USD
View
A
Retailer 5
-
$667 CAD
€455 EUR
View
A
Retailer 6
-
$687 CAD
ZAR 7,943 ZAR
View
B+
Retailer 7
-
$704 CAD
$504 USD
View
B+
Retailer 8
-
$735 CAD
$526 USD
View
Retailer 9
-
$1,027 CAD
$735 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$1,049 CAD
$751 USD
View
B
Retailer 11
-
$1,291 CAD
SGD 1,249 SGD
View
B
Retailer 12
-
$1,358 CAD
$972 USD
View
B
Retailer 13
-
$1,384 CAD
$991 USD
View
B
Retailer 14
-
$1,602 CAD
£903 GBP
View
B
Retailer 15
-
$1,648 CAD
$1,180 USD
View
Most Expensive
B
Reve Diamonds
006CAE70F · Nov 1
$1,805 CAD
$1,292 USD
View
15 more retailers have this diamond
Prices start from $360 CADSave up to $1,444 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
$360 CAD