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Radiant|Lab Grown|IGI

2.57ct F IF Radiant Lab Grown Diamond

GD • F/IF • IGI LG731565741

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

Certificate IGI LG731565741

Diamond specifications and retailer prices

From $690 CAD
$494 USD
As of October 30, 2026
Save $7,007 CAD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,697 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG731565741 or 731565741. Listed at 25 retailers as of October 30, 2026, with prices from $690 to $7,697, a $7,007 spread on the same certified stone. Brilliant Earth lists it at $7,697. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
F
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731565741
Dimensions9.86 × 6.78 × 4.54 mm
L/W Ratio1.45
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
9.86 mm6.78 mm2.57 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731565741
Side View
Table 65.0%Crown 44.1°Girdle: MediumPavilion 35°Culet: NoneDepth 67.0%

Caratlytics Score

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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: $7,697 CAD|Low: $690 CAD|High: $9,974 CAD|Avg: $2,689 CAD|-22.8%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 31, 2026
Retailer 8$690 CAD
Retailer 17$772 CAD
Retailer 6$774 CAD
Retailer 19$856 CAD
Retailer 18$908 CAD
Retailer 13$971 CAD
Retailer 3$1,204 CAD
Retailer 20$1,345 CAD
Retailer 2$1,413 CAD
Retailer 11$1,489 CAD
Retailer 16$1,975 CAD
Retailer 9$1,999 CAD
Retailer 21$2,067 CAD
Retailer 22$2,253 CAD
Retailer 10$2,791 CAD
Retailer 5$2,813 CAD
Retailer 15$2,853 CAD
Retailer 4$2,980 CAD
Retailer 7$3,204 CAD
Retailer 14$4,309 CAD
Retailer 12$5,867 CAD
Brilliant Earth$7,697 CAD

26 data points across 22 retailers

25 retailers$690 CAD to $7,697 CAD

A
Cheapest Retailer
-
$690 CAD
$494 USD
A
Retailer 2
-
$772 CAD
$553 USD
View
Final sale: no returns
A
Retailer 3
-
$774 CAD
$554 USD
View
A
Retailer 4
-
$856 CAD
$613 USD
View
A
Retailer 5
-
$908 CAD
£512 GBP
View
A
Retailer 6
-
$971 CAD
$695 USD
View
Retailer 7
-
$981 CAD
$702 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$1,204 CAD
$862 USD
View
A
Retailer 9
-
$1,345 CAD
$963 USD
View
A
Retailer 10
-
$1,413 CAD
£796 GBP
View
Retailer 11
-
$1,489 CAD
€1,015 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
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$1,975 CAD
$1,414 USD
View
A
Retailer 13
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$1,999 CAD
$1,431 USD
View
A
Retailer 14
-
$2,067 CAD
ZAR 23,904 ZAR
View
A
Retailer 15
-
$2,253 CAD
$1,613 USD
View
B+
Retailer 16
-
$2,433 CAD
$1,742 USD
View
A
Retailer 17
-
$2,791 CAD
$1,998 USD
View
B+
Retailer 18
-
$2,813 CAD
$2,014 USD
View
Retailer 19
-
$2,853 CAD
£1,608 GBP
View
Price last confirmed 20 days ago
B+
Retailer 20
-
$2,980 CAD
$2,133 USD
View
B+
Retailer 21
-
$2,988 CAD
$2,139 USD
View
B+
Retailer 22
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$3,204 CAD
$2,294 USD
View
Retailer 23
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$4,309 CAD
£2,429 GBP
View
Price last confirmed 20 days ago
Retailer 24
-
$5,867 CAD
$4,200 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
15784517A · Oct 30
$7,697 CAD
$5,510 USD
View
24 more retailers have this diamond
Prices start from $690 CADSave up to $7,007 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
2.57ct Radiant
$690 CAD