Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

GD • K/I1 • IGI 497151838

Shape and cutting style on the report: Round brilliant

Certificate IGI 497151838

Diamond specifications and retailer prices

From £175 GBP
As of November 4, 2026
Save £617 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £793 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 standard cut grade and certified by IGI 497151838. Listed at 8 retailers as of November 4, 2026, with prices from £175 to £793, a £617 spread on the same certified stone. NZ Jewellers lists it at £793. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle38.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 497151838
Dimensions4.85 × 4.89 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.85 mm4.89 mm0.50 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI 497151838
Side View
Table 60.0%Crown 38.7°Girdle: THK-VTKPavilion 40.2°Culet: NoneDepth 64.9%

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: £345 GBP|Low: £179 GBP|High: £348 GBP|Avg: £255 GBP|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2£181 GBP
Retailer 3£234 GBP
Retailer 4£262 GBP
Retailer 1£345 GBP

16 data points across 4 retailers

8 retailers£175 GBP to £793 GBP

B+
Cheapest Retailer
-
£175 GBP
Retailer 2
-
£189 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£195 GBP
View
B+
Retailer 4
-
£227 GBP
View
B+
Retailer 5
-
£234 GBP
View
B+
Retailer 6
-
£236 GBP
View
B
Retailer 7
-
£345 GBP
View
Most Expensive
C
NZ Jewellers
caa0489a-4c6f-4491-bb3f-c505ce221bfc · Nov 4
£793 GBP
$1,067 USD
View
7 more retailers have this diamond
Prices start from £175 GBPSave up to £617 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
£175 GBP