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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 $108,532 AUD
£60,030 GBP
As of November 1, 2026
Save $61,929 AUD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $170,461 AUD at MOH London · As of November 1, 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 November 1, 2026, with prices from $108,532 to $170,461, a $61,929 spread on the same certified stone. MOH London lists it at $170,461. 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: Nov 1
Current: $170,461 AUD|Low: $105,047 AUD|High: $172,515 AUD|Avg: $126,472 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$105,047 AUD
Retailer 5$108,532 AUD
Retailer 11$110,436 AUD
Retailer 6$113,693 AUD
Retailer 10$120,476 AUD
Retailer 9$125,496 AUD
Retailer 8$130,516 AUD
Retailer 2$131,846 AUD
Retailer 7$135,535 AUD
Retailer 4$138,574 AUD
MOH London$170,461 AUD

35 data points across 11 retailers

11 retailers$108,532 AUD to $170,461 AUD

Retailer 1
-
$105,047 AUD
$73,790 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$108,532 AUD
£60,030 GBP
View
A
Retailer 3
-
$110,436 AUD
$77,575 USD
View
Final sale: no returns
B+
Retailer 4
-
$113,693 AUD
$79,863 USD
View
Retailer 5
-
$120,476 AUD
$84,628 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$125,496 AUD
$88,154 USD
View
B+
Retailer 7
-
$130,516 AUD
$91,680 USD
View
B+
Retailer 8
-
$131,846 AUD
€88,204 EUR
View
B+
Retailer 9
-
$135,535 AUD
$95,206 USD
View
B+
Retailer 10
-
$138,574 AUD
£76,646 GBP
View
Most Expensive
B
MOH London
70BDBFE40 · Nov 1
$170,461 AUD
£94,283 GBP
View
10 more retailers have this diamond
Prices start from $108,532 AUDSave up to $61,929 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
5.58ct Round
$108,532 AUD