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Radiant|Lab Grown|IGI

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732520458

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

Certificate IGI LG732520458

Diamond specifications and retailer prices

From $378 CAD
$270 USD
As of October 30, 2026
Save $5,011 CAD (93%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,388 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.67ct lab-grown radiant diamond

This 1.67ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732520458 or 732520458. Listed at 17 retailers as of October 29, 2026, with prices from $378 to $5,388, a $5,011 spread on the same certified stone. Brilliant Earth lists it at $5,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732520458
Dimensions8.70 × 5.84 × 3.86 mm
L/W Ratio1.49
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
8.70 mm5.84 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732520458
Side View
Table 65.0%Crown 36.7°Girdle: MediumPavilion 34.5°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,388 CAD|Low: $346 CAD|High: $5,556 CAD|Avg: $1,913 CAD|-3.0%
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 29, 2026
Retailer 11$378 CAD
Retailer 3$438 CAD
Retailer 9$484 CAD
Retailer 12$718 CAD
Retailer 6$777 CAD
Retailer 15$777 CAD
Retailer 5$857 CAD
Retailer 10$1,204 CAD
Retailer 7$1,335 CAD
Retailer 14$1,440 CAD
Retailer 17$1,491 CAD
Retailer 16$1,664 CAD
Retailer 2$2,085 CAD
Retailer 8$2,532 CAD
Retailer 13$3,359 CAD
Retailer 4$4,045 CAD
Brilliant Earth$5,388 CAD

33 data points across 17 retailers

17 retailers$378 CAD to $5,388 CAD

A+
Cheapest Retailer
-
$378 CAD
$270 USD
A
Retailer 2
-
$438 CAD
$313 USD
View
A
Retailer 3
-
$484 CAD
$346 USD
View
Final sale: no returns
A
Retailer 4
-
$718 CAD
$513 USD
View
A
Retailer 5
-
$777 CAD
$555 USD
View
A
Retailer 6
-
$777 CAD
$555 USD
View
A
Retailer 7
-
$857 CAD
€583 EUR
View
A
Retailer 8
-
$1,204 CAD
A$1,323 AUD
View
A
Retailer 9
-
$1,335 CAD
$954 USD
View
A
Retailer 10
-
$1,440 CAD
$1,029 USD
View
A
Retailer 11
-
$1,491 CAD
$1,065 USD
View
A
Retailer 12
-
$1,664 CAD
$1,189 USD
View
B+
Retailer 13
-
$2,085 CAD
£1,173 GBP
View
Retailer 14
-
$2,532 CAD
A$2,783 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$3,359 CAD
$2,400 USD
View
B
Retailer 16
-
$4,045 CAD
$2,890 USD
View
Most Expensive
B
Brilliant Earth
16112448Y · Oct 29
$5,388 CAD
$3,850 USD
View
16 more retailers have this diamond
Prices start from $378 CADSave up to $5,011 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+
1.67ct Radiant
$378 CAD