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Radiant|Lab Grown|IGI

1.47ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG821695878

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

Certificate IGI LG821695878

Diamond specifications and retailer prices

From $450 CAD
As of November 4, 2026
Save $1,609 CAD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,612 CAD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.47ct lab-grown radiant diamond

This 1.47ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821695878 or 821695878. Listed at 20 retailers as of November 4, 2026, with a 358% 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

1.47
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821695878
Dimensions8.77 × 5.54 × 3.53 mm
L/W Ratio1.58
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.77 mm5.54 mm1.47 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821695878
Side View
Table 64.0%Crown 38.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 63.7%

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: Nov 4
Current: $4,612 CAD|Low: $447 CAD|High: $4,808 CAD|Avg: $1,616 CAD|-4.1%
Brilliant Earth
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 5, 2026
Retailer 3$450 CAD
Retailer 4$686 CAD
Retailer 10$718 CAD
Retailer 15$825 CAD
Retailer 13$863 CAD
Retailer 2$875 CAD
Retailer 11$1,226 CAD
Retailer 8$1,230 CAD
Retailer 14$1,533 CAD
Retailer 12$1,675 CAD
Retailer 5$1,990 CAD
Retailer 9$2,060 CAD
Retailer 7$2,082 CAD
Retailer 6$3,205 CAD
Brilliant Earth$4,612 CAD

31 data points across 15 retailers

20 retailers$450 CAD to $2,060 CAD

Retailer 1
-
$410 CAD
Price last confirmed 34 days ago
A
Retailer 2
-
$450 CAD
View
Final sale: no returns
Retailer 3
-
$474 CAD
View
Price last confirmed 39 days ago
Retailer 4
-
$499 CAD
View
Price last confirmed 41 days ago
Retailer 5
-
$530 CAD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$686 CAD
View
A
Retailer 7
-
$718 CAD
View
A
Retailer 8
-
$825 CAD
View
A
Retailer 9
-
$863 CAD
View
A
Retailer 10
-
$875 CAD
View
A
Retailer 11
-
$1,226 CAD
View
B+
Retailer 12
-
$1,230 CAD
View
B+
Retailer 13
-
$1,533 CAD
View
B+
Retailer 14
-
$1,675 CAD
View
Retailer 15
-
$1,701 CAD
View
Price last confirmed 32 days ago
Retailer 16
-
$1,990 CAD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$2,060 CAD
View
Retailer 18
-
$2,082 CAD
View
Price last confirmed 28 days ago
Retailer 19
-
$3,205 CAD
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
21212801A · Oct 18
$4,612 CAD
$3,310 USD
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from $450 CADSave up to $1,609 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
1.47ct Radiant
$450 CAD