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Round|Natural|GIA

5.58ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5566235402

Certificate GIA 5566235402

Diamond specifications and retailer prices

From £56,426 GBP
As of October 31, 2026
Save £33,417 GBP (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £89,843 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.58ct natural round diamond

This 5.58ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566235402. Listed at 11 retailers as of October 29, 2026, with prices from £56,426 to £89,843, a £33,417 spread on the same certified stone. MOH London lists it at £89,843. 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

5.58
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566235402
Dimensions11.36 × 11.27 × 7.10 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
11.36 mm11.27 mm5.58 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566235402
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: Oct 31
Current: £89,843 GBP|Low: £55,072 GBP|High: £90,442 GBP|Avg: £66,305 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3£55,072 GBP
Retailer 2£56,426 GBP
Retailer 11£57,897 GBP
Retailer 6£59,604 GBP
Retailer 10£63,160 GBP
Retailer 9£65,792 GBP
Retailer 8£68,424 GBP
Retailer 4£69,430 GBP
Retailer 7£71,055 GBP
Retailer 5£72,866 GBP
MOH London£89,843 GBP

34 data points across 11 retailers

11 retailers£56,426 GBP to £89,843 GBP

Retailer 1
-
£55,072 GBP
$73,790 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£56,426 GBP
View
A
Retailer 3
-
£57,897 GBP
$77,575 USD
View
Final sale: no returns
B+
Retailer 4
-
£59,604 GBP
$79,863 USD
View
B+
Retailer 5
-
£63,160 GBP
$84,628 USD
View
B+
Retailer 6
-
£65,792 GBP
$88,154 USD
View
B+
Retailer 7
-
£68,424 GBP
$91,680 USD
View
B+
Retailer 8
-
£69,430 GBP
€88,598 EUR
View
B+
Retailer 9
-
£71,055 GBP
$95,206 USD
View
B+
Retailer 10
-
£72,866 GBP
View
Most Expensive
B
MOH London
70BDBFE40 · Oct 29
£89,843 GBP
View
10 more retailers have this diamond
Prices start from £56,426 GBPSave up to £33,417 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.

A
5.58ct Round
£56,426 GBP