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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 HK$4,496 HKD
$573 USD
As of October 30, 2026
Save HK$6,446 HKD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$10,941 HKD 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 HK$4,496 to HK$10,941, a HK$6,446 spread on the same certified stone. MOH London lists it at HK$10,941. 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

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 30
Current: HK$10,941 HKD|Low: HK$3,672 HKD|High: HK$41,743 HKD|Avg: HK$11,991 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3HK$4,496 HKD
Retailer 2HK$4,806 HKD
Retailer 5HK$5,108 HKD
Retailer 4HK$6,403 HKD
Retailer 6HK$9,160 HKD
MOH LondonHK$10,941 HKD
Retailer 7HK$41,743 HKD

34 data points across 7 retailers

6 retailersHK$4,496 HKD to HK$10,941 HKD

B+
Cheapest Retailer
-
HK$4,496 HKD
$573 USD
A
Retailer 2
-
HK$4,806 HKD
£482 GBP
View
A
Retailer 3
-
HK$5,108 HKD
$651 USD
View
B+
Retailer 4
-
HK$6,403 HKD
$816 USD
View
B
Retailer 5
-
HK$9,160 HKD
$1,167 USD
View
Most Expensive
B
MOH London
LG485160984 · Oct 26
HK$10,941 HKD
£1,098 GBP
View
5 more retailers have this diamond
Prices start from HK$4,496 HKDSave up to HK$6,446 HKD

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
HK$4,496 HKD