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 $733 SGD
$573 USD
As of October 30, 2026
Save $1,050 SGD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,783 SGD 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 $733 to $1,783, a $1,050 spread on the same certified stone. MOH London lists it at $1,783. 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
Colour
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

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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: $1,783 SGD|Low: $598 SGD|High: $6,801 SGD|Avg: $1,954 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$733 SGD
Retailer 2$783 SGD
Retailer 5$832 SGD
Retailer 4$1,043 SGD
Retailer 6$1,492 SGD
MOH London$1,783 SGD
Retailer 7$6,801 SGD

34 data points across 7 retailers

6 retailers$733 SGD to $1,783 SGD

B+
Cheapest Retailer
-
$733 SGD
$573 USD
A
Retailer 2
-
$783 SGD
£482 GBP
View
A
Retailer 3
-
$832 SGD
$651 USD
View
B+
Retailer 4
-
$1,043 SGD
$816 USD
View
B
Retailer 5
-
$1,492 SGD
$1,167 USD
View
Most Expensive
B
MOH London
LG485160984 · Oct 26
$1,783 SGD
£1,098 GBP
View
5 more retailers have this diamond
Prices start from $733 SGDSave up to $1,050 SGD

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
$733 SGD