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Radiant|Lab Grown|IGI

1.21ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG787630559

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

Certificate IGI LG787630559

Diamond specifications and retailer prices

From $256 CAD
$183 USD
As of October 30, 2026
Save $1,338 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,594 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 LG787630559 or 787630559. Listed at 17 retailers as of October 30, 2026, with prices from $256 to $1,594, a $1,338 spread on the same certified stone. Reve Diamonds lists it at $1,594. 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 angle21.1°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787630559
Dimensions7.43 × 5.20 × 3.50 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.20 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787630559
Side View
Table 65.0%Crown 21.1°Girdle: MediumPavilion 32.3°Culet: NoneDepth 67.3%

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: $1,487 CAD|Low: $246 CAD|High: $1,594 CAD|Avg: $718 CAD|-0.1%
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 13$256 CAD
Retailer 7$285 CAD
Retailer 3$298 CAD
Retailer 4$317 CAD
Retailer 14$317 CAD
Retailer 9$525 CAD
Retailer 10$546 CAD
Retailer 2$562 CAD
Retailer 8$574 CAD
Retailer 5$767 CAD
Retailer 11$775 CAD
Retailer 15$1,021 CAD
Retailer 12$1,078 CAD
Retailer 6$1,097 CAD
Retailer 1$1,487 CAD
Reve Diamonds$1,594 CAD

46 data points across 16 retailers

17 retailers$256 CAD to $1,594 CAD

A
Cheapest Retailer
-
$256 CAD
$183 USD
A
Retailer 2
-
$285 CAD
$204 USD
View
Final sale: no returns
A
Retailer 3
-
$298 CAD
$213 USD
View
Retailer 4
-
$317 CAD
$227 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$317 CAD
$227 USD
View
A
Retailer 6
-
$525 CAD
€358 EUR
View
A
Retailer 7
-
$546 CAD
ZAR 6,311 ZAR
View
A
Retailer 8
-
$562 CAD
$402 USD
View
A
Retailer 9
-
$574 CAD
£324 GBP
View
A
Retailer 10
-
$643 CAD
$460 USD
View
B+
Retailer 11
-
$767 CAD
$549 USD
View
B+
Retailer 12
-
$775 CAD
A$854 AUD
View
B+
Retailer 13
-
$1,021 CAD
$731 USD
View
B+
Retailer 14
-
$1,078 CAD
$772 USD
View
B
Retailer 15
-
$1,097 CAD
$785 USD
View
B
Retailer 16
-
$1,487 CAD
£838 GBP
View
Most Expensive
B
Reve Diamonds
6114E3983 · Nov 1
$1,594 CAD
$1,141 USD
View
16 more retailers have this diamond
Prices start from $256 CADSave up to $1,338 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
$256 CAD