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Radiant|Lab Grown|IGI

2.51ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG828678895

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

Certificate IGI LG828678895

Diamond specifications and retailer prices

From $913 AUD
$641 USD
As of October 30, 2026
Save $2,110 AUD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,023 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct lab-grown radiant diamond

This 2.51ct 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 LG828678895 or 828678895. Listed at 7 retailers as of October 29, 2026, with prices from $913 to $3,023, a $2,110 spread on the same certified stone. MOH London lists it at $3,023. 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

2.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828678895
Dimensions9.75 × 6.80 × 4.28 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.75 mm6.80 mm2.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828678895
Side View
Table 65.0%Crown 40.8°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 62.9%

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: $3,023 AUD|Low: $913 AUD|High: $3,043 AUD|Avg: $1,601 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7$913 AUD
Retailer 4$985 AUD
Retailer 5$1,140 AUD
Retailer 2$1,357 AUD
Retailer 6$1,808 AUD
Retailer 3$2,655 AUD
MOH London$3,023 AUD

41 data points across 7 retailers

7 retailers$913 AUD to $3,023 AUD

A
Cheapest Retailer
-
$913 AUD
$641 USD
B+
Retailer 2
-
$985 AUD
$692 USD
View
A
Retailer 3
-
$1,140 AUD
$801 USD
View
B+
Retailer 4
-
$1,357 AUD
£750 GBP
View
B+
Retailer 5
-
$1,808 AUD
$1,270 USD
View
Retailer 6
-
$2,655 AUD
$1,865 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG828678895 · Oct 29
$3,023 AUD
£1,672 GBP
View
6 more retailers have this diamond
Prices start from $913 AUDSave up to $2,110 AUD

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
2.51ct Radiant
$913 AUD