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Radiant|Lab Grown|IGI

1.63ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816623867

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

Certificate IGI LG816623867

Diamond specifications and retailer prices

From $975 CAD
£550 GBP
As of November 2, 2026
Save $5,005 CAD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,981 CAD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown radiant diamond

This 1.63ct 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 LG816623867 or 816623867. Listed at 9 retailers as of November 1, 2026, with prices from $975 to $5,981, a $5,005 spread on the same certified stone. Do Amore Diamonds lists it at $5,981. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623867
Dimensions8.23 × 5.89 × 3.89 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
8.23 mm5.89 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623867
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.0%

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 2
Current: $5,981 CAD|Low: $693 CAD|High: $7,225 CAD|Avg: $2,829 CAD|-12.3%
Do Amore Diamonds
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
November 2, 2026
Retailer 4$693 CAD
Retailer 7$756 CAD
Retailer 9$975 CAD
Retailer 13$1,304 CAD
Retailer 11$1,307 CAD
Retailer 16$1,721 CAD
Retailer 6$1,796 CAD
Retailer 5$1,885 CAD
Retailer 2$2,088 CAD
Retailer 15$2,765 CAD
Retailer 3$3,173 CAD
Retailer 8$3,788 CAD
Retailer 10$3,851 CAD
Retailer 12$5,059 CAD
Retailer 14$5,436 CAD
Do Amore Diamonds$5,981 CAD

21 data points across 16 retailers

9 retailers$975 CAD to $5,981 CAD

A
Cheapest Retailer
-
$975 CAD
£550 GBP
A
Retailer 2
-
$1,304 CAD
$933 USD
View
A
Retailer 3
-
$1,307 CAD
$935 USD
View
B+
Retailer 4
-
$2,088 CAD
$1,494 USD
View
B+
Retailer 5
-
$2,765 CAD
$1,979 USD
View
B+
Retailer 6
-
$3,851 CAD
£2,170 GBP
View
B
Retailer 7
-
$5,059 CAD
$3,620 USD
View
B
Retailer 8
-
$5,436 CAD
$3,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-746C3AFEF · Nov 1
$5,981 CAD
$4,280 USD
View
8 more retailers have this diamond
Prices start from $975 CADSave up to $5,005 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
1.63ct Radiant
$975 CAD