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Radiant|Lab Grown|IGI

1.55ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG754517897

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

Certificate IGI LG754517897

Diamond specifications and retailer prices

From $553 CAD
$396 USD
As of October 30, 2026
Save $4,881 CAD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,434 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754517897 or 754517897. Listed at 11 retailers as of October 29, 2026, with prices from $553 to $5,434, a $4,881 spread on the same certified stone. Brilliant Earth lists it at $5,434. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754517897
Dimensions7.78 × 5.67 × 3.92 mm
L/W Ratio1.37
Culet sizePointed
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
7.78 mm5.67 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754517897
Side View
Table 65.0%Crown 47.5°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 69.1%

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 30
Current: $5,434 CAD|Low: $553 CAD|High: $6,356 CAD|Avg: $2,943 CAD|-3.0%
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
October 28, 2026
Retailer 9$553 CAD
Retailer 15$620 CAD
Retailer 3$802 CAD
Retailer 13$1,088 CAD
Retailer 2$1,104 CAD
Retailer 12$1,830 CAD
Retailer 16$2,422 CAD
Retailer 14$2,436 CAD
Retailer 8$2,600 CAD
Retailer 10$2,787 CAD
Retailer 4$2,796 CAD
Retailer 5$2,818 CAD
Retailer 7$2,887 CAD
Retailer 11$4,917 CAD
Retailer 6$5,024 CAD
Brilliant Earth$5,434 CAD

26 data points across 16 retailers

11 retailers$553 CAD to $5,434 CAD

A
Cheapest Retailer
-
$553 CAD
$396 USD
A
Retailer 2
-
$620 CAD
$444 USD
View
A
Retailer 3
-
$802 CAD
$574 USD
View
Final sale: no returns
A
Retailer 4
-
$1,088 CAD
$779 USD
View
A
Retailer 5
-
$1,104 CAD
$790 USD
View
B+
Retailer 6
-
$1,830 CAD
$1,310 USD
View
B+
Retailer 7
-
$2,422 CAD
$1,734 USD
View
B+
Retailer 8
-
$2,436 CAD
$1,744 USD
View
B+
Retailer 9
-
$2,787 CAD
£1,571 GBP
View
B
Retailer 10
-
$4,917 CAD
$3,520 USD
View
Most Expensive
B
Brilliant Earth
21410934Y · Oct 29
$5,434 CAD
$3,890 USD
View
10 more retailers have this diamond
Prices start from $553 CADSave up to $4,881 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
1.55ct Radiant
$553 CAD