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Round|Natural|IGI

0.58ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 560236942

Shape and cutting style on the report: Round brilliant

Certificate IGI 560236942

Diamond specifications and retailer prices

From £321 GBP
As of November 6, 2026
Save £636 GBP (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,031 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.58ct natural round diamond

This 0.58ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 560236942. Listed at 8 retailers as of November 4, 2026, with a 198% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.58
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 560236942
Dimensions5.34 × 5.38 × 3.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.34 mm5.38 mm0.58 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 560236942
Side View
Table 59.0%Crown 34.9°GirdlePavilion 40.8°Culet: NoneDepth 61.1%

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 6
Current: £957 GBP|Low: £288 GBP|High: £1,031 GBP|Avg: £457 GBP|-7.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£291 GBP
Retailer 2£321 GBP
Retailer 7£341 GBP
Retailer 6£346 GBP
Retailer 4£387 GBP
Retailer 5£412 GBP
Retailer 3£461 GBP
NZ Jewellers£957 GBP

44 data points across 8 retailers

8 retailers£321 GBP to £957 GBP

A
Cheapest Retailer
-
£321 GBP
B+
Retailer 2
-
£341 GBP
View
B+
Retailer 3
-
£346 GBP
View
B+
Retailer 4
-
£387 GBP
View
B
Retailer 5
-
£412 GBP
View
B
Retailer 6
-
£461 GBP
View
C
Retailer 7
-
£957 GBP
View
Most Expensive
NZ Jewellers
3229f76b-dbb4-4232-a1ac-20d8ce9b5829 · Sep 1
£1,031 GBP
$1,387 USD
View
Price last confirmed 65 days ago
7 more retailers have this diamond
Prices start from £321 GBPSave up to £636 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
0.58ct Round
£321 GBP