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Radiant|Lab Grown|IGI

2.58ct E SI2 Radiant Lab Grown Diamond

E/SI2 • IGI LG787625405

Certificate IGI LG787625405

Diamond specifications and retailer prices

From $2,628 AUD
As of November 6, 2026
Save $1,054 AUD (29%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,682 AUD at Zales · As of November 6, 2026
View at Zales

About this 2.58ct lab-grown radiant diamond

This 2.58ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by IGI LG787625405 or 787625405. Listed at 3 retailers as of November 6, 2026, with prices from $2,628 to $3,682, a $1,054 spread on the same certified stone. Zales lists it at $3,682. 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

2.58
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787625405
Dimensions9.07 × 6.98 mm
L/W Ratio1.30
Top View
9.07 mm6.98 mm2.58 ctE / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787625405
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $2,628 AUD|Low: $2,023 AUD|High: $3,682 AUD|Avg: $3,230 AUD|+29.9%
Retailer 1
Retailer 2
Zales
November 6, 2026
Retailer 1$2,628 AUD
Retailer 2$3,682 AUD
Zales$3,682 AUD

2 data points across 3 retailers

3 retailers$2,628 AUD to $3,682 AUD

B
Cheapest Retailer
-
$2,628 AUD
C
Retailer 2
-
$3,682 AUD
View
Most Expensive
C
Zales
528004120 · Nov 6
$3,682 AUD
$2,530 USD
View
2 more retailers have this diamond
Prices start from $2,628 AUDSave up to $1,054 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.

B
2.58ct Radiant
$2,628 AUD