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Radiant|Lab Grown|IGI

1.74ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG649400592

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

Certificate IGI LG649400592

Diamond specifications and retailer prices

From $523 CAD
$374 USD
As of October 28, 2026
Save $4,375 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,584 CAD at Brilliant Earth · As of October 21, 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 LG649400592 or 649400592. Listed at 14 retailers as of October 28, 2026, with a 836% 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

1.74
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649400592
Dimensions8.74 × 5.95 × 3.89 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.95 mm1.74 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649400592
Side View
Table 65.0%Crown 41°Girdle: ThickPavilion 34°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,899 CAD|Low: $523 CAD|High: $5,584 CAD|Avg: $2,341 CAD|-12.3%
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
October 29, 2026
Retailer 13$523 CAD
Retailer 10$664 CAD
Retailer 7$798 CAD
Retailer 3$939 CAD
Retailer 14$1,102 CAD
Retailer 2$1,154 CAD
Retailer 11$1,451 CAD
Retailer 8$1,488 CAD
Retailer 12$2,155 CAD
Retailer 5$2,280 CAD
Retailer 4$2,327 CAD
Retailer 6$4,007 CAD
Retailer 9$4,157 CAD
Brilliant Earth$4,899 CAD

4 data points across 14 retailers

14 retailers$523 CAD to $4,899 CAD

A
Cheapest Retailer
-
$523 CAD
$374 USD
Final sale: no returns
A
Retailer 2
-
$664 CAD
£374 GBP
View
Retailer 3
-
$798 CAD
$570 USD
View
A
Retailer 4
-
$939 CAD
$671 USD
View
A
Retailer 5
-
$1,102 CAD
ZAR 12,718 ZAR
View
A
Retailer 6
-
$1,154 CAD
£649 GBP
View
A
Retailer 7
-
$1,451 CAD
$1,037 USD
View
Retailer 8
-
$1,488 CAD
A$1,636 AUD
View
B+
Retailer 9
-
$2,155 CAD
$1,540 USD
View
B+
Retailer 10
-
$2,280 CAD
$1,629 USD
View
B+
Retailer 11
-
$2,327 CAD
SGD 2,247 SGD
View
Retailer 12
-
$4,157 CAD
$2,970 USD
View
B
Retailer 13
-
$4,899 CAD
$3,500 USD
View
Most Expensive
B
Brilliant Earth
13718859B · Oct 21
$5,584 CAD
$3,990 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $523 CADSave up to $4,375 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
$523 CAD