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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825652792

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

Certificate IGI LG825652792

Diamond specifications and retailer prices

From $783 CAD
$560 USD
As of November 2, 2026
Save $6,163 CAD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,945 CAD at Do Amore Diamonds · As of November 2, 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 LG825652792 or 825652792. Listed at 17 retailers as of November 2, 2026, with prices from $783 to $6,945, a $6,163 spread on the same certified stone. Do Amore Diamonds lists it at $6,945. 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 angle45.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825652792
Dimensions8.33 × 5.68 × 4.01 mm
L/W Ratio1.47
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
8.33 mm5.68 mm1.64 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825652792
Side View
Table 66.0%Crown 45.2°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 70.6%

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 2
Current: $6,945 CAD|Low: $783 CAD|High: $7,574 CAD|Avg: $3,073 CAD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 16$783 CAD
Retailer 8$876 CAD
Retailer 18$1,153 CAD
Retailer 15$1,167 CAD
Retailer 4$1,399 CAD
Retailer 14$1,497 CAD
Retailer 12$1,662 CAD
Retailer 2$1,718 CAD
Retailer 3$2,506 CAD
Retailer 7$2,736 CAD
Retailer 5$2,819 CAD
Retailer 9$3,385 CAD
Retailer 17$4,590 CAD
Retailer 6$4,659 CAD
Retailer 10$4,964 CAD
Retailer 11$5,087 CAD
Retailer 13$5,464 CAD
Do Amore Diamonds$6,945 CAD

33 data points across 18 retailers

17 retailers$783 CAD to $6,945 CAD

A
Cheapest Retailer
-
$783 CAD
$560 USD
A
Retailer 2
-
$876 CAD
$627 USD
View
A
Retailer 3
-
$1,153 CAD
$825 USD
View
A
Retailer 4
-
$1,167 CAD
$835 USD
View
A
Retailer 5
-
$1,399 CAD
$1,001 USD
View
A
Retailer 6
-
$1,495 CAD
$1,070 USD
View
A
Retailer 7
-
$1,497 CAD
$1,071 USD
View
B+
Retailer 8
-
$1,718 CAD
€1,171 EUR
View
B+
Retailer 9
-
$2,506 CAD
$1,793 USD
View
B
Retailer 10
-
$2,736 CAD
$1,958 USD
View
B+
Retailer 11
-
$2,819 CAD
$2,017 USD
View
Retailer 12
-
$3,385 CAD
$2,422 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$4,590 CAD
$3,285 USD
View
B
Retailer 14
-
$4,659 CAD
£2,625 GBP
View
B
Retailer 15
-
$5,087 CAD
$3,640 USD
View
B
Retailer 16
-
$5,464 CAD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-F02CB5A49 · Nov 2
$6,945 CAD
$4,970 USD
View
16 more retailers have this diamond
Prices start from $783 CADSave up to $6,163 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
$783 CAD