Radiant|Lab Grown|IGI

2.57ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG483194823

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

Certificate IGI LG483194823

Diamond specifications and retailer prices

From $802 CAD
$573 USD
As of October 28, 2026
Save $1,157 CAD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,959 CAD at MOH London · As of October 29, 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 LG483194823 or 483194823. Listed at 6 retailers as of October 28, 2026, with prices from $802 to $1,959, a $1,157 spread on the same certified stone. MOH London lists it at $1,959. 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°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483194823
Dimensions8.93 × 6.86 × 4.53 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
8.93 mm6.86 mm2.57 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483194823
Side View
Table 63.5%Crown 44°Girdle: MediumPavilion 29.9°Culet: NoneDepth 66.0%

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: $1,959 CAD|Low: $655 CAD|High: $7,446 CAD|Avg: $2,139 CAD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$802 CAD
Retailer 2$857 CAD
Retailer 5$911 CAD
Retailer 4$1,142 CAD
Retailer 6$1,634 CAD
MOH London$1,959 CAD
Retailer 7$7,446 CAD

34 data points across 7 retailers

6 retailers$802 CAD to $1,959 CAD

B+
Cheapest Retailer
-
$802 CAD
$573 USD
A
Retailer 2
-
$857 CAD
£482 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
LG483194823 · Oct 29
$1,959 CAD
£1,102 GBP
View
5 more retailers have this diamond
Prices start from $802 CADSave up to $1,157 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