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Round|Natural|IGI

0.50ct K I2 Round Natural Diamond

VG • K/I2 • IGI 510166321

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166321

Diamond specifications and retailer prices

From £224 GBP
As of November 4, 2026
Save £794 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,018 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 I2 clarity (included), with a very-good cut grade and certified by IGI 510166321. Listed at 7 retailers as of November 4, 2026, with prices from £224 to £1,018, a £794 spread on the same certified stone. NZ Jewellers lists it at £1,018. 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
I2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 510166321
Dimensions5.07 × 5.13 × 3.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.07 mm5.13 mm0.50 ctK / I2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 510166321
Side View
Table 61.0%Crown 33.3°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.4%

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: £370 GBP|Low: £237 GBP|High: £375 GBP|Avg: £304 GBP|+1.8%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£238 GBP
Retailer 1£370 GBP

19 data points across 2 retailers

7 retailers£224 GBP to £1,018 GBP

B+
Cheapest Retailer
-
£224 GBP
Retailer 2
-
£242 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£250 GBP
View
B+
Retailer 4
-
£301 GBP
View
B+
Retailer 5
-
£302 GBP
View
B
Retailer 6
-
£370 GBP
View
Most Expensive
C
NZ Jewellers
22e18f58-ed63-4003-90ff-0096687d1ab7 · Nov 4
£1,018 GBP
$1,370 USD
View
6 more retailers have this diamond
Prices start from £224 GBPSave up to £794 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
£224 GBP