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Round|Lab Grown|IGI

2.50ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG447001513

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001513

Diamond specifications and retailer prices

From $1,957 AUD
As of November 5, 2026
Save $10,488 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,445 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 2.5ct lab-grown round diamond

This 2.5ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001513 or 447001513. Listed at 10 retailers as of November 5, 2026, with prices from $1,957 to $12,445, a $10,488 spread on the same certified stone. MOH London lists it at $12,445. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001513
Dimensions8.61 × 8.66 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.61 mm8.66 mm2.50 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001513
Side View
Table 53.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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: Nov 5
Current: $12,445 AUD|Low: $1,957 AUD|High: $12,645 AUD|Avg: $6,196 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$1,957 AUD
Retailer 3$3,208 AUD
Retailer 5$4,244 AUD
Retailer 9$4,617 AUD
Retailer 11$4,751 AUD
Retailer 7$4,923 AUD
Retailer 12$5,941 AUD
Retailer 10$6,153 AUD
Retailer 2$7,074 AUD
Retailer 8$7,652 AUD
Retailer 4$11,019 AUD
MOH London$12,445 AUD

16 data points across 12 retailers

10 retailers$1,957 AUD to $12,445 AUD

A
Cheapest Retailer
-
$1,957 AUD
B+
Retailer 2
-
$4,244 AUD
View
B+
Retailer 3
-
$4,617 AUD
View
B+
Retailer 4
-
$4,751 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,923 AUD
View
Retailer 6
-
$4,923 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$6,153 AUD
View
B
Retailer 8
-
$7,074 AUD
View
B
Retailer 9
-
$7,652 AUD
View
Most Expensive
B
MOH London
LG447001513 · Nov 5
$12,445 AUD
£6,860 GBP
View
9 more retailers have this diamond
Prices start from $1,957 AUDSave up to $10,488 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
2.50ct Round
$1,957 AUD