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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 £10,987 GBP
As of November 5, 2026
Save £1,682 GBP (13%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £12,670 GBP 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 £10,987 to £12,670, a £1,682 spread on the same certified stone. MOH London lists it at £12,670. 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: £12,670 GBP|Low: £7,530 GBP|High: £12,670 GBP|Avg: £9,375 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4£7,530 GBP
Retailer 5£8,310 GBP
Retailer 2£10,987 GBP
Retailer 3£11,586 GBP
MOH London£12,670 GBP

12 data points across 5 retailers

4 retailers£10,987 GBP to £12,670 GBP

Retailer 1
-
£7,530 GBP
Price last confirmed 19 days ago
B+
Retailer 2
-
£10,987 GBP
View
B
Retailer 3
-
£11,586 GBP
View
Most Expensive
B
MOH London
732304247 · Nov 2
£12,670 GBP
View
3 more retailers have this diamond
Prices start from £10,987 GBPSave up to £1,682 GBP

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
£10,987 GBP