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Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

VG • K/I1 • IGI 583337134

Shape and cutting style on the report: Round brilliant

Certificate IGI 583337134

Diamond specifications and retailer prices

From £189 GBP
As of November 4, 2026
Save £670 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £860 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 583337134. Listed at 8 retailers as of November 4, 2026, with prices from £189 to £860, a £670 spread on the same certified stone. NZ Jewellers lists it at £860. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
K
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 583337134
Dimensions5.06 × 5.11 × 3.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.06 mm5.11 mm0.50 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 583337134
Side View
Table 58.0%Crown 33.3°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £319 GBP|Low: £196 GBP|High: £323 GBP|Avg: £264 GBP|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2£198 GBP
Retailer 3£256 GBP
Retailer 4£285 GBP
Retailer 1£319 GBP

17 data points across 4 retailers

8 retailers£189 GBP to £860 GBP

B+
Cheapest Retailer
-
£189 GBP
Retailer 2
-
£204 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£212 GBP
View
B+
Retailer 4
-
£249 GBP
View
B+
Retailer 5
-
£256 GBP
View
B+
Retailer 6
-
£256 GBP
View
B+
Retailer 7
-
£319 GBP
View
Most Expensive
C
NZ Jewellers
971977c4-9751-4867-a1c7-508e05c2403e · Nov 4
£860 GBP
$1,157 USD
View
7 more retailers have this diamond
Prices start from £189 GBPSave up to £670 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+
0.50ct Round
£189 GBP