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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG818654254

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

Certificate IGI LG818654254

Diamond specifications and retailer prices

From $413 CAD
$295 USD
As of October 27, 2026
Save $4,500 CAD (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,913 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown radiant diamond

This 1.74ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654254 or 818654254. Listed at 21 retailers as of October 27, 2026, with prices from $413 to $4,913, a $4,500 spread on the same certified stone. Brilliant Earth lists it at $4,913. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654254
Dimensions8.22 × 5.92 × 4.07 mm
L/W Ratio1.39
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
8.22 mm5.92 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654254
Side View
Table 64.0%Crown 29.3°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.8%

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 27
Current: $4,913 CAD|Low: $476 CAD|High: $5,081 CAD|Avg: $1,649 CAD|-3.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5$476 CAD
Retailer 15$528 CAD
Retailer 14$728 CAD
Retailer 8$838 CAD
Retailer 13$880 CAD
Retailer 4$889 CAD
Retailer 2$904 CAD
Retailer 16$926 CAD
Retailer 12$1,191 CAD
Retailer 18$1,303 CAD
Retailer 7$1,713 CAD
Retailer 3$1,790 CAD
Retailer 6$1,831 CAD
Retailer 9$1,831 CAD
Retailer 11$2,062 CAD
Retailer 10$2,427 CAD
Retailer 17$3,765 CAD
Brilliant Earth$4,913 CAD

29 data points across 18 retailers

21 retailers$413 CAD to $4,913 CAD

A
Cheapest Retailer
-
$413 CAD
$295 USD
A
Retailer 2
-
$476 CAD
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$512 CAD
$366 USD
View
A
Retailer 4
-
$512 CAD
$366 USD
View
A
Retailer 5
-
$528 CAD
£297 GBP
View
A
Retailer 6
-
$728 CAD
$520 USD
View
A
Retailer 7
-
$838 CAD
$599 USD
View
A
Retailer 8
-
$880 CAD
ZAR 10,154 ZAR
View
A
Retailer 9
-
$889 CAD
$635 USD
View
A
Retailer 10
-
$904 CAD
£509 GBP
View
A
Retailer 11
-
$926 CAD
€630 EUR
View
A
Retailer 12
-
$1,191 CAD
A$1,309 AUD
View
A
Retailer 13
-
$1,303 CAD
$931 USD
View
A
Retailer 14
-
$1,713 CAD
$1,224 USD
View
B+
Retailer 15
-
$1,790 CAD
$1,279 USD
View
B+
Retailer 16
-
$1,831 CAD
$1,308 USD
View
B+
Retailer 17
-
$1,831 CAD
SGD 1,768 SGD
View
B+
Retailer 18
-
$2,062 CAD
£1,160 GBP
View
B+
Retailer 19
-
$2,427 CAD
$1,734 USD
View
Retailer 20
-
$3,765 CAD
$2,690 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21433885A · Oct 29
$4,913 CAD
$3,510 USD
View
20 more retailers have this diamond
Prices start from $413 CADSave up to $4,500 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
1.74ct Radiant
$413 CAD