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Radiant|Lab Grown|IGI

1.40ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614457

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

Certificate IGI LG836614457

Diamond specifications and retailer prices

From $418 CAD
$299 USD
As of October 30, 2026
Save $3,647 CAD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,358 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.4ct lab-grown radiant diamond

This 1.4ct 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 LG836614457 or 836614457. Listed at 22 retailers as of October 30, 2026, with a 873% 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

1.40
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614457
Dimensions7.93 × 5.34 × 3.74 mm
L/W Ratio1.49
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
7.93 mm5.34 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614457
Side View
Table 63.0%Crown 43.1°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 70.0%

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: Oct 30
Current: $4,358 CAD|Low: $418 CAD|High: $5,811 CAD|Avg: $1,598 CAD|-0.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 19
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Retailer 22
October 30, 2026
Retailer 9$418 CAD
Retailer 20$485 CAD
Retailer 11$499 CAD
Retailer 8$518 CAD
Retailer 19$518 CAD
Retailer 13$535 CAD
Retailer 4$733 CAD
Retailer 22$847 CAD
Retailer 21$874 CAD
Retailer 18$891 CAD
Retailer 16$920 CAD
Retailer 10$962 CAD
Retailer 5$1,414 CAD
Retailer 3$1,592 CAD
Retailer 7$1,667 CAD
Retailer 6$1,733 CAD
Retailer 14$1,909 CAD
Retailer 17$2,088 CAD
Retailer 15$2,165 CAD
Retailer 12$3,693 CAD
Retailer 2$4,065 CAD
Rare Carat$4,358 CAD

22 data points across 22 retailers

22 retailers$418 CAD to $4,065 CAD

A
Cheapest Retailer
-
$418 CAD
$299 USD
A
Retailer 2
-
$485 CAD
$347 USD
View
A
Retailer 3
-
$499 CAD
$357 USD
View
Final sale: no returns
A
Retailer 4
-
$518 CAD
$371 USD
View
A
Retailer 5
-
$518 CAD
$371 USD
View
A
Retailer 6
-
$535 CAD
£302 GBP
View
A
Retailer 7
-
$733 CAD
$525 USD
View
A
Retailer 8
-
$847 CAD
$606 USD
View
A
Retailer 9
-
$874 CAD
$626 USD
View
A
Retailer 10
-
$891 CAD
ZAR 10,301 ZAR
View
A
Retailer 11
-
$920 CAD
£518 GBP
View
A
Retailer 12
-
$962 CAD
€656 EUR
View
B+
Retailer 13
-
$1,414 CAD
$1,012 USD
View
B+
Retailer 14
-
$1,592 CAD
$1,140 USD
View
B+
Retailer 15
-
$1,667 CAD
$1,193 USD
View
B+
Retailer 16
-
$1,733 CAD
$1,241 USD
View
B+
Retailer 17
-
$1,909 CAD
SGD 1,847 SGD
View
B+
Retailer 18
-
$2,088 CAD
£1,177 GBP
View
B
Retailer 19
-
$2,165 CAD
$1,550 USD
View
B
Retailer 20
-
$3,693 CAD
$2,644 USD
View
B
Retailer 21
-
$4,065 CAD
$2,910 USD
View
Most Expensive
Rare Carat
JH-253466 · Oct 21
$4,358 CAD
$3,120 USD
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $418 CADSave up to $3,647 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
1.40ct Radiant
$418 CAD