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Radiant|Lab Grown|IGI

2.57ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG485160984

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

Certificate IGI LG485160984

Diamond specifications and retailer prices

From $802 CAD
$573 USD
As of October 28, 2026
Save $1,150 CAD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,952 CAD at MOH London · As of October 26, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG485160984 or 485160984. Listed at 6 retailers as of October 26, 2026, with prices from $802 to $1,952, a $1,150 spread on the same certified stone. MOH London lists it at $1,952. 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
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485160984
Dimensions8.90 × 6.84 × 4.66 mm
L/W Ratio1.30
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
8.90 mm6.84 mm2.57 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485160984
Side View
Table 60.5%Crown 44.1°Girdle: MED-STKPavilion 30.4°Culet: NoneDepth 68.1%

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 28
Current: $1,952 CAD|Low: $655 CAD|High: $7,446 CAD|Avg: $2,140 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$802 CAD
Retailer 2$855 CAD
Retailer 5$911 CAD
Retailer 4$1,142 CAD
Retailer 6$1,634 CAD
MOH London$1,952 CAD
Retailer 7$7,446 CAD

33 data points across 7 retailers

6 retailers$802 CAD to $1,952 CAD

B+
Cheapest Retailer
-
$802 CAD
$573 USD
A
Retailer 2
-
$855 CAD
£481 GBP
View
A
Retailer 3
-
$911 CAD
$651 USD
View
B+
Retailer 4
-
$1,142 CAD
$816 USD
View
B
Retailer 5
-
$1,634 CAD
$1,167 USD
View
Most Expensive
B
MOH London
LG485160984 · Oct 26
$1,952 CAD
£1,098 GBP
View
5 more retailers have this diamond
Prices start from $802 CADSave up to $1,150 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
$802 CAD