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Round|Natural|GIA

2.58ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552586260

Certificate GIA 6552586260

Diamond specifications and retailer prices

From $21,125 AUD
As of November 5, 2026
Save $3,235 AUD (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $24,359 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 2.58ct natural round diamond

This 2.58ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552586260. Listed at 4 retailers as of November 2, 2026, with prices from $21,125 to $24,359, a $3,235 spread on the same certified stone. MOH London lists it at $24,359. 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

2.58
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552586260
Dimensions8.67 × 8.73 × 5.45 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.67 mm8.73 mm2.58 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6552586260
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°CuletDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $24,359 AUD|Low: $14,478 AUD|High: $24,359 AUD|Avg: $18,024 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$14,478 AUD
Retailer 5$15,978 AUD
Retailer 2$21,125 AUD
Retailer 3$22,276 AUD
MOH London$24,359 AUD

12 data points across 5 retailers

4 retailers$21,125 AUD to $24,359 AUD

Retailer 1
-
$14,478 AUD
Price last confirmed 19 days ago
B+
Retailer 2
-
$21,125 AUD
View
B
Retailer 3
-
$22,276 AUD
View
Most Expensive
B
MOH London
732304247 · Nov 2
$24,359 AUD
£13,427 GBP
View
3 more retailers have this diamond
Prices start from $21,125 AUDSave up to $3,235 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 Round
$21,125 AUD