Round|Natural|GIA

5.58ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5566235402

Certificate GIA 5566235402

Diamond specifications and retailer prices

From $75,605 USD
£59,531 GBP
As of October 31, 2026
Save $44,775 USD (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $120,379 USD 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 $75,605 to $120,379, a $44,775 spread on the same certified stone. MOH London lists it at $120,379. 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
Color
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: $120,379 USD|Low: $73,790 USD|High: $121,182 USD|Avg: $88,747 USD|+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$73,790 USD
Retailer 2$75,605 USD
Retailer 11$77,575 USD
Retailer 6$79,863 USD
Retailer 10$84,628 USD
Retailer 9$88,154 USD
Retailer 8$91,680 USD
Retailer 4$93,028 USD
Retailer 7$95,206 USD
Retailer 5$97,632 USD
MOH London$120,379 USD

35 data points across 11 retailers

11 retailers$75,605 USD to $120,379 USD

Retailer 1
-
$73,790 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$75,605 USD
£59,531 GBP
View
A
Retailer 3
-
$77,575 USD
View
Final sale: no returns
B+
Retailer 4
-
$79,863 USD
View
B+
Retailer 5
-
$84,628 USD
View
B+
Retailer 6
-
$88,154 USD
View
B+
Retailer 7
-
$91,680 USD
View
B+
Retailer 8
-
$93,028 USD
€88,598 EUR
View
B+
Retailer 9
-
$95,206 USD
View
B+
Retailer 10
-
$97,632 USD
£76,876 GBP
View
Most Expensive
B
MOH London
70BDBFE40 · Oct 29
$120,379 USD
£94,787 GBP
View
10 more retailers have this diamond
Prices start from $75,605 USDSave up to $44,775 USD

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
$75,605 USD