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Round|Lab Grown|IGI

2.54ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG717585531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG717585531

Diamond specifications and retailer prices

From $421 AUD
$296 USD
As of October 29, 2026
Save $3,721 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,142 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.54ct lab-grown round diamond

This 2.54ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG717585531 or 717585531. Listed at 15 retailers as of October 28, 2026, with prices from $421 to $4,142, a $3,721 spread on the same certified stone. Brilliant Earth lists it at $4,142. 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

2.54
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717585531
Dimensions8.63 × 8.56 × 5.48 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.56 mm2.54 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717585531
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.7%

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 29
Current: $4,142 AUD|Low: $291 AUD|High: $4,256 AUD|Avg: $1,112 AUD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6$291 AUD
Retailer 11$421 AUD
Retailer 4$473 AUD
Retailer 15$490 AUD
Retailer 5$524 AUD
Retailer 12$524 AUD
Retailer 2$847 AUD
Retailer 13$857 AUD
Retailer 8$923 AUD
Retailer 7$962 AUD
Retailer 14$1,058 AUD
Retailer 10$1,338 AUD
Retailer 3$1,682 AUD
Retailer 9$2,108 AUD
Brilliant Earth$4,142 AUD

41 data points across 15 retailers

15 retailers$421 AUD to $4,142 AUD

A
Cheapest Retailer
-
$421 AUD
$296 USD
A
Retailer 2
-
$473 AUD
$332 USD
View
Final sale: no returns
A
Retailer 3
-
$490 AUD
$344 USD
View
A
Retailer 4
-
$524 AUD
$368 USD
View
A
Retailer 5
-
$524 AUD
$368 USD
View
A
Retailer 6
-
$847 AUD
£469 GBP
View
B+
Retailer 7
-
$857 AUD
$602 USD
View
A
Retailer 8
-
$923 AUD
£511 GBP
View
A
Retailer 9
-
$962 AUD
$676 USD
View
A
Retailer 10
-
$1,058 AUD
$743 USD
View
B+
Retailer 11
-
$1,338 AUD
$940 USD
View
Retailer 12
-
$1,468 AUD
$1,031 USD
View
Price last confirmed 44 days ago
B+
Retailer 13
-
$1,682 AUD
$1,182 USD
View
B
Retailer 14
-
$2,108 AUD
£1,166 GBP
View
Most Expensive
B
Brilliant Earth
15303157A · Oct 28
$4,142 AUD
$2,910 USD
View
14 more retailers have this diamond
Prices start from $421 AUDSave up to $3,721 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
2.54ct Round
$421 AUD