Radiant|Lab Grown|IGI

1.35ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615915

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

Certificate IGI LG816615915

Diamond specifications and retailer prices

From $481 CAD
$344 USD
As of October 30, 2026
Save $3,221 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,240 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.35ct lab-grown radiant diamond

This 1.35ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615915 or 816615915. Listed at 19 retailers as of October 30, 2026, with a 670% 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

1.35
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615915
Dimensions7.63 × 5.32 × 3.86 mm
L/W Ratio1.43
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
7.63 mm5.32 mm1.35 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615915
Side View
Table 66.0%Crown 45.7°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 72.6%

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: Oct 30
Current: $4,240 CAD|Low: $451 CAD|High: $5,783 CAD|Avg: $1,865 CAD|-1.5%
Rare Carat
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
October 30, 2026
Retailer 12$481 CAD
Retailer 7$691 CAD
Retailer 3$719 CAD
Retailer 14$826 CAD
Retailer 11$862 CAD
Retailer 9$887 CAD
Retailer 4$931 CAD
Retailer 16$1,321 CAD
Retailer 13$1,541 CAD
Retailer 5$1,565 CAD
Retailer 15$1,681 CAD
Retailer 6$1,852 CAD
Retailer 10$2,021 CAD
Retailer 8$2,022 CAD
Retailer 2$3,702 CAD
Rare Carat$4,240 CAD

31 data points across 16 retailers

19 retailers$481 CAD to $3,702 CAD

A
Cheapest Retailer
-
$481 CAD
$344 USD
Final sale: no returns
Retailer 2
-
$535 CAD
$383 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$624 CAD
$447 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$691 CAD
$495 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$719 CAD
$515 USD
View
A
Retailer 6
-
$826 CAD
$591 USD
View
A
Retailer 7
-
$862 CAD
ZAR 9,967 ZAR
View
A
Retailer 8
-
$887 CAD
£500 GBP
View
A
Retailer 9
-
$931 CAD
€635 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,321 CAD
$946 USD
View
B+
Retailer 11
-
$1,541 CAD
$1,103 USD
View
B+
Retailer 12
-
$1,565 CAD
$1,120 USD
View
B+
Retailer 13
-
$1,681 CAD
$1,203 USD
View
B+
Retailer 14
-
$1,852 CAD
SGD 1,792 SGD
View
B+
Retailer 15
-
$2,021 CAD
£1,139 GBP
View
Retailer 16
-
$2,022 CAD
£1,140 GBP
View
Price last confirmed 25 days ago
Retailer 17
-
$2,224 CAD
$1,592 USD
View
Price last confirmed 30 days ago
B
Retailer 18
-
$3,702 CAD
$2,650 USD
View
Most Expensive
Rare Carat
PD-230705 · Oct 21
$4,240 CAD
$3,035 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $481 CADSave up to $3,221 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
1.35ct Radiant
$481 CAD