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Radiant|Lab Grown|IGI

2.57ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG700540698

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

Certificate IGI LG700540698

Diamond specifications and retailer prices

From $1,236 CAD
$885 USD
As of October 31, 2026
Save $6,531 CAD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,767 CAD at Brilliant Earth · As of October 31, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700540698 or 700540698. Listed at 12 retailers as of October 31, 2026, with prices from $1,236 to $7,767, a $6,531 spread on the same certified stone. Brilliant Earth lists it at $7,767. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700540698
Dimensions9.74 × 6.50 × 4.65 mm
L/W Ratio1.50
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
9.74 mm6.50 mm2.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700540698
Side View
Table 63.0%Crown 40.9°Girdle: MED-STKPavilion 36°Culet: NoneDepth 71.5%

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 31
Current: $7,767 CAD|Low: $1,073 CAD|High: $8,186 CAD|Avg: $3,795 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
October 31, 2026
Retailer 4$1,073 CAD
Retailer 14$1,236 CAD
Retailer 3$1,291 CAD
Retailer 9$1,636 CAD
Retailer 2$1,784 CAD
Retailer 11$2,647 CAD
Retailer 5$2,871 CAD
Retailer 12$2,964 CAD
Retailer 8$4,664 CAD
Retailer 7$4,944 CAD
Retailer 13$5,832 CAD
Retailer 6$6,211 CAD
Retailer 10$7,641 CAD
Brilliant Earth$7,767 CAD

18 data points across 14 retailers

12 retailers$1,236 CAD to $7,767 CAD

A
Cheapest Retailer
-
$1,236 CAD
$885 USD
A
Retailer 2
-
$1,291 CAD
$924 USD
View
A
Retailer 3
-
$1,636 CAD
$1,171 USD
View
A
Retailer 4
-
$1,784 CAD
€1,216 EUR
View
A
Retailer 5
-
$2,647 CAD
$1,895 USD
View
A
Retailer 6
-
$2,871 CAD
$2,055 USD
View
A
Retailer 7
-
$2,964 CAD
$2,122 USD
View
B+
Retailer 8
-
$4,664 CAD
£2,629 GBP
View
B+
Retailer 9
-
$4,944 CAD
A$5,445 AUD
View
Retailer 10
-
$5,832 CAD
$4,175 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$7,641 CAD
$5,470 USD
View
Most Expensive
B
Brilliant Earth
13959243Y · Oct 31
$7,767 CAD
$5,560 USD
View
11 more retailers have this diamond
Prices start from $1,236 CADSave up to $6,531 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
$1,236 CAD