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Round|Natural|IGI

0.50ct N SI2 Round Natural Diamond

GD • N/SI2 • IGI 171535853

Shape and cutting style on the report: Round brilliant

Certificate IGI 171535853

Diamond specifications and retailer prices

From £160 GBP
As of November 4, 2026
Save £565 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £724 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 N colour (tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 171535853. Listed at 8 retailers as of November 4, 2026, with prices from £160 to £724, a £565 spread on the same certified stone. NZ Jewellers lists it at £724. 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
N
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle40.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 171535853
Dimensions4.81 × 4.89 × 3.32 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.81 mm4.89 mm0.50 ctN / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 171535853
Side View
Table 55.0%Crown 40.1°Girdle: THN-THKPavilion 41°Culet: NoneDepth 68.7%

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: £322 GBP|Low: £106 GBP|High: £324 GBP|Avg: £226 GBP|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5£106 GBP
Retailer 4£205 GBP
Retailer 3£240 GBP
Retailer 2£256 GBP
Retailer 1£322 GBP

14 data points across 5 retailers

8 retailers£160 GBP to £724 GBP

B+
Cheapest Retailer
-
£160 GBP
Retailer 2
-
£172 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£178 GBP
View
B+
Retailer 4
-
£205 GBP
View
B+
Retailer 5
-
£215 GBP
View
B
Retailer 6
-
£256 GBP
View
B
Retailer 7
-
£322 GBP
View
Most Expensive
D
NZ Jewellers
dd5dcdd3-2eef-4ea6-bc00-9f60a95518a7 · Nov 4
£724 GBP
$975 USD
View
7 more retailers have this diamond
Prices start from £160 GBPSave up to £565 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
£160 GBP