Radiant|Lab Grown|IGI

2.50ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG782623750

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

Certificate IGI LG782623750

Diamond specifications and retailer prices

From $686 USD
As of October 30, 2026
Save $1,021 USD (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,707 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782623750 or 782623750. Listed at 6 retailers as of October 26, 2026, with prices from $686 to $1,707, a $1,021 spread on the same certified stone. MOH London lists it at $1,707. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782623750
Dimensions9.15 × 6.60 × 4.63 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.60 mm2.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782623750
Side View
Table 64.0%Crown 42.2°Girdle: STK-THKPavilion 35°Culet: NoneDepth 70.2%

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: $1,707 USD|Low: $657 USD|High: $1,726 USD|Avg: $989 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$686 USD
Retailer 4$721 USD
Retailer 2$764 USD
Retailer 6$799 USD
Retailer 5$1,410 USD
MOH London$1,707 USD

36 data points across 6 retailers

6 retailers$686 USD to $1,707 USD

B+
Cheapest Retailer
-
$686 USD
A
Retailer 2
-
$721 USD
View
A
Retailer 3
-
$764 USD
£601 GBP
View
A
Retailer 4
-
$799 USD
View
B
Retailer 5
-
$1,410 USD
View
Most Expensive
B
MOH London
LG782623750 · Oct 26
$1,707 USD
£1,344 GBP
View
5 more retailers have this diamond
Prices start from $686 USDSave up to $1,021 USD

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
2.50ct Radiant
$686 USD