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Round|Natural|IGI

0.50ct K I2 Round Natural Diamond

VG • K/I2 • IGI 510177005

Shape and cutting style on the report: Round brilliant

Certificate IGI 510177005

Diamond specifications and retailer prices

From £235 GBP
As of November 4, 2026
Save £664 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £899 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 510177005. Listed at 7 retailers as of November 4, 2026, with prices from £235 to £899, a £664 spread on the same certified stone. NZ Jewellers lists it at £899. 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
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 510177005
Dimensions5.03 × 5.05 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
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Top View
5.03 mm5.05 mm0.50 ctK / I2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 510177005
Side View
Table 59.0%Crown 35.5°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 63.1%

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: £385 GBP|Low: £248 GBP|High: £390 GBP|Avg: £317 GBP|+2.0%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£250 GBP
Retailer 1£385 GBP

17 data points across 2 retailers

7 retailers£235 GBP to £899 GBP

B+
Cheapest Retailer
-
£235 GBP
Retailer 2
-
£253 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£262 GBP
View
B
Retailer 4
-
£316 GBP
View
B
Retailer 5
-
£316 GBP
View
B
Retailer 6
-
£385 GBP
View
Most Expensive
C
NZ Jewellers
2e571dfe-0b1e-4b5e-a5d7-3454052b8f49 · Nov 4
£899 GBP
$1,210 USD
View
6 more retailers have this diamond
Prices start from £235 GBPSave up to £664 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
£235 GBP