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Round|Natural|IGI

0.50ct M I1 Round Natural Diamond

GD • M/I1 • IGI 522219321

Shape and cutting style on the report: Round brilliant

Certificate IGI 522219321

Diamond specifications and retailer prices

From £204 GBP
As of November 4, 2026
Save £721 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £926 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 M colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by IGI 522219321. Listed at 7 retailers as of November 4, 2026, with prices from £204 to £926, a £721 spread on the same certified stone. NZ Jewellers lists it at £926. 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
M
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle42.3°
OriginNatural
Grading LabIGI
CertificateIGI 522219321
Dimensions4.95 × 4.99 × 3.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.95 mm4.99 mm0.50 ctM / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 522219321
Side View
Table 55.0%Crown 33.7°Girdle: MED-THKPavilion 42.3°Culet: NoneDepth 65.6%

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: £340 GBP|Low: £271 GBP|High: £345 GBP|Avg: £306 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£271 GBP
Retailer 2£307 GBP
Retailer 1£340 GBP

14 data points across 3 retailers

7 retailers£204 GBP to £926 GBP

B+
Cheapest Retailer
-
£204 GBP
Retailer 2
-
£220 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£228 GBP
View
B
Retailer 4
-
£271 GBP
View
B
Retailer 5
-
£275 GBP
View
B
Retailer 6
-
£340 GBP
View
Most Expensive
C
NZ Jewellers
3f0f22ff-81cf-4063-8d20-20ca36345358 · Nov 4
£926 GBP
$1,246 USD
View
6 more retailers have this diamond
Prices start from £204 GBPSave up to £721 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
£204 GBP