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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG623421833

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

Certificate IGI LG623421833

Diamond specifications and retailer prices

From $444 CAD
$317 USD
As of October 27, 2026
Save $3,825 CAD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,269 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct 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 LG623421833 or 623421833. Listed at 23 retailers as of October 27, 2026, with prices from $444 to $4,269, a $3,825 spread on the same certified stone. Brilliant Earth lists it at $4,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421833
Dimensions5.55 × 5.55 × 7.27 mm
L/W Ratio1.00
Culet sizePointed
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
5.55 mm5.55 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421833
Side View
Table 65.0%Crown 48.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.7%

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 27
Current: $4,269 CAD|Low: $425 CAD|High: $4,395 CAD|Avg: $1,283 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
October 29, 2026
Retailer 21$444 CAD
Retailer 12$495 CAD
Retailer 4$550 CAD
Retailer 7$550 CAD
Retailer 13$570 CAD
Retailer 6$742 CAD
Retailer 18$770 CAD
Retailer 19$857 CAD
Retailer 8$901 CAD
Retailer 16$946 CAD
Retailer 17$976 CAD
Retailer 9$1,304 CAD
Retailer 15$1,343 CAD
Retailer 20$1,356 CAD
Retailer 14$1,454 CAD
Retailer 5$1,769 CAD
Retailer 11$1,833 CAD
Retailer 3$1,901 CAD
Retailer 10$2,194 CAD
Retailer 2$2,218 CAD
Brilliant Earth$4,269 CAD

40 data points across 21 retailers

23 retailers$444 CAD to $4,269 CAD

A
Cheapest Retailer
-
$444 CAD
$317 USD
A
Retailer 2
-
$495 CAD
$354 USD
View
Final sale: no returns
A
Retailer 3
-
$515 CAD
$368 USD
View
A
Retailer 4
-
$550 CAD
$393 USD
View
A
Retailer 5
-
$550 CAD
$393 USD
View
A
Retailer 6
-
$570 CAD
£321 GBP
View
A
Retailer 7
-
$742 CAD
$530 USD
View
A
Retailer 8
-
$770 CAD
$550 USD
View
A
Retailer 9
-
$857 CAD
€583 EUR
View
A
Retailer 10
-
$901 CAD
$644 USD
View
A
Retailer 11
-
$946 CAD
ZAR 10,916 ZAR
View
A
Retailer 12
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$976 CAD
£549 GBP
View
B+
Retailer 13
-
$1,304 CAD
$932 USD
View
B+
Retailer 14
-
$1,343 CAD
A$1,476 AUD
View
B+
Retailer 15
-
$1,356 CAD
$969 USD
View
B+
Retailer 16
-
$1,484 CAD
$1,060 USD
View
B+
Retailer 17
-
$1,769 CAD
$1,264 USD
View
B+
Retailer 18
-
$1,833 CAD
$1,310 USD
View
B+
Retailer 19
-
$1,901 CAD
A$2,090 AUD
View
Price last confirmed 22 days ago
B
Retailer 20
-
$1,956 CAD
£1,101 GBP
View
B
Retailer 21
-
$2,194 CAD
$1,567 USD
View
B+
Retailer 22
-
$2,218 CAD
£1,248 GBP
View
Most Expensive
B
Brilliant Earth
9481162A · Oct 28
$4,269 CAD
$3,050 USD
View
22 more retailers have this diamond
Prices start from $444 CADSave up to $3,825 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
1.33ct Radiant
$444 CAD