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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804668362

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

Certificate IGI LG804668362

Diamond specifications and retailer prices

From $1,309 CAD
$937 USD
As of November 1, 2026
Save $4,713 CAD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,023 CAD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804668362 or 804668362. Listed at 8 retailers as of November 1, 2026, with prices from $1,309 to $6,023, a $4,713 spread on the same certified stone. Do Amore Diamonds lists it at $6,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668362
Dimensions8.21 × 5.86 × 3.98 mm
L/W Ratio1.40
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
8.21 mm5.86 mm1.64 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668362
Side View
Table 66.0%Crown 43.7°Girdle: MediumPavilion 39.8°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
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 1
Current: $6,023 CAD|Low: $697 CAD|High: $7,266 CAD|Avg: $2,890 CAD|-12.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
November 2, 2026
Retailer 3$697 CAD
Retailer 6$760 CAD
Retailer 14$1,309 CAD
Retailer 12$1,314 CAD
Retailer 18$1,389 CAD
Retailer 17$1,731 CAD
Retailer 5$1,815 CAD
Retailer 4$1,899 CAD
Retailer 10$2,060 CAD
Retailer 2$2,100 CAD
Retailer 16$2,779 CAD
Retailer 7$3,194 CAD
Retailer 8$3,810 CAD
Retailer 11$3,874 CAD
Retailer 9$4,515 CAD
Retailer 13$5,087 CAD
Retailer 15$5,464 CAD
Do Amore Diamonds$6,023 CAD

16 data points across 18 retailers

8 retailers$1,309 CAD to $6,023 CAD

A
Cheapest Retailer
-
$1,309 CAD
$937 USD
A
Retailer 2
-
$1,314 CAD
$940 USD
View
B+
Retailer 3
-
$2,100 CAD
$1,503 USD
View
B+
Retailer 4
-
$2,779 CAD
$1,989 USD
View
B+
Retailer 5
-
$3,874 CAD
£2,183 GBP
View
B
Retailer 6
-
$5,087 CAD
$3,640 USD
View
B
Retailer 7
-
$5,464 CAD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-457A5424F · Nov 1
$6,023 CAD
$4,310 USD
View
7 more retailers have this diamond
Prices start from $1,309 CADSave up to $4,713 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
1.64ct Radiant
$1,309 CAD