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Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816616274

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

Certificate IGI LG816616274

Diamond specifications and retailer prices

From $490 CAD
$350 USD
As of October 30, 2026
Save $3,919 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,409 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616274 or 816616274. Listed at 18 retailers as of October 29, 2026, with prices from $490 to $4,409, a $3,919 spread on the same certified stone. Brilliant Earth lists it at $4,409. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616274
Dimensions7.62 × 5.62 × 3.83 mm
L/W Ratio1.36
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
7.62 mm5.62 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616274
Side View
Table 62.0%Crown 44.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.1%

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: $4,409 CAD|Low: $490 CAD|High: $4,409 CAD|Avg: $1,727 CAD
Brilliant Earth
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
October 30, 2026
Retailer 14$490 CAD
Retailer 13$728 CAD
Retailer 10$838 CAD
Retailer 8$879 CAD
Retailer 2$905 CAD
Retailer 4$946 CAD
Retailer 12$1,447 CAD
Retailer 9$1,572 CAD
Retailer 11$1,713 CAD
Retailer 6$1,880 CAD
Retailer 7$2,062 CAD
Retailer 5$2,126 CAD
Retailer 3$4,059 CAD
Brilliant Earth$4,409 CAD

28 data points across 14 retailers

18 retailers$490 CAD to $4,409 CAD

A
Cheapest Retailer
-
$490 CAD
$350 USD
Final sale: no returns
Retailer 2
-
$543 CAD
$388 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$634 CAD
$453 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$701 CAD
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$728 CAD
$520 USD
View
A
Retailer 6
-
$838 CAD
$599 USD
View
A
Retailer 7
-
$879 CAD
ZAR 10,150 ZAR
View
A
Retailer 8
-
$905 CAD
£509 GBP
View
A
Retailer 9
-
$946 CAD
€644 EUR
View
B+
Retailer 10
-
$1,447 CAD
$1,034 USD
View
B+
Retailer 11
-
$1,572 CAD
$1,123 USD
View
B+
Retailer 12
-
$1,713 CAD
$1,224 USD
View
B+
Retailer 13
-
$1,880 CAD
SGD 1,815 SGD
View
B
Retailer 14
-
$2,062 CAD
£1,160 GBP
View
B
Retailer 15
-
$2,126 CAD
$1,519 USD
View
Retailer 16
-
$2,255 CAD
$1,611 USD
View
Price last confirmed 29 days ago
Retailer 17
-
$4,059 CAD
$2,900 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21434362A · Oct 29
$4,409 CAD
$3,150 USD
View
17 more retailers have this diamond
Prices start from $490 CADSave up to $3,919 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
$490 CAD