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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG689516105

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

Certificate IGI LG689516105

Diamond specifications and retailer prices

From $511 CAD
$365 USD
As of October 30, 2026
Save $1,726 CAD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,039 CAD at Brilliant Earth · As of October 8, 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 LG689516105 or 689516105. Listed at 14 retailers as of October 30, 2026, with a 338% 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

1.33
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689516105
Dimensions6.56 × 6.23 × 3.88 mm
L/W Ratio1.05
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
6.56 mm6.23 mm1.33 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689516105
Side View
Table 58.0%Crown 37.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 62.3%

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: $5,039 CAD|Low: $364 CAD|High: $5,039 CAD|Avg: $1,478 CAD
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$511 CAD
Retailer 8$526 CAD
Retailer 17$567 CAD
Retailer 2$586 CAD
Retailer 11$763 CAD
Retailer 12$763 CAD
Retailer 3$917 CAD
Retailer 16$923 CAD
Retailer 10$974 CAD
Retailer 15$1,356 CAD
Retailer 7$1,503 CAD
Retailer 5$1,885 CAD
Retailer 9$2,133 CAD
Retailer 6$2,237 CAD
Retailer 14$2,284 CAD
Retailer 13$2,631 CAD
Brilliant Earth$5,039 CAD

32 data points across 17 retailers

14 retailers$511 CAD to $2,237 CAD

A
Cheapest Retailer
-
$511 CAD
$365 USD
Final sale: no returns
A
Retailer 2
-
$567 CAD
$405 USD
View
A
Retailer 3
-
$586 CAD
£329 GBP
View
A
Retailer 4
-
$763 CAD
$545 USD
View
A
Retailer 5
-
$763 CAD
$545 USD
View
A
Retailer 6
-
$917 CAD
$655 USD
View
A
Retailer 7
-
$974 CAD
ZAR 11,247 ZAR
View
B+
Retailer 8
-
$1,356 CAD
$969 USD
View
B
Retailer 9
-
$1,885 CAD
$1,347 USD
View
B
Retailer 10
-
$2,237 CAD
$1,598 USD
View
Retailer 11
-
$2,284 CAD
£1,285 GBP
View
Price last confirmed 11 days ago
Retailer 12
-
$2,631 CAD
$1,880 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$2,719 CAD
$1,943 USD
View
Price last confirmed 81 days ago
Most Expensive
Brilliant Earth
21386154A · Oct 8
$5,039 CAD
$3,600 USD
View
Price last confirmed 21 days ago
13 more retailers have this diamond
Prices start from $511 CADSave up to $1,726 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
$511 CAD