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Round|Natural|IGI

0.50ct K I2 Round Natural Diamond

GD • K/I2 • IGI 510166322

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166322

Diamond specifications and retailer prices

From £230 GBP
As of November 4, 2026
Save £651 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £880 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 standard cut grade and certified by IGI 510166322. Listed at 7 retailers as of November 4, 2026, with prices from £230 to £880, a £651 spread on the same certified stone. NZ Jewellers lists it at £880. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle30°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 510166322
Dimensions5.14 × 5.22 × 3.03 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.14 mm5.22 mm0.50 ctK / I2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 510166322
Side View
Table 55.0%Crown 30°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.5%

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: £377 GBP|Low: £243 GBP|High: £383 GBP|Avg: £311 GBP|+1.8%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£244 GBP
Retailer 1£377 GBP

19 data points across 2 retailers

7 retailers£230 GBP to £880 GBP

B+
Cheapest Retailer
-
£230 GBP
Retailer 2
-
£247 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£256 GBP
View
B
Retailer 4
-
£308 GBP
View
B
Retailer 5
-
£309 GBP
View
B
Retailer 6
-
£377 GBP
View
Most Expensive
C
NZ Jewellers
6b628d03-e38a-4979-971a-2b632a1e4291 · Nov 4
£880 GBP
$1,185 USD
View
6 more retailers have this diamond
Prices start from £230 GBPSave up to £651 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
£230 GBP