Round|Natural|IGI

0.50ct J I1 Round Natural Diamond

VG • J/I1 • IGI 514287656

Shape and cutting style on the report: Round brilliant

Certificate IGI 514287656

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of October 31, 2026
Save £797 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,022 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 514287656. Listed at 8 retailers as of October 30, 2026, with prices from £225 to £1,022, a £797 spread on the same certified stone. NZ Jewellers lists it at £1,022. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 514287656
Dimensions4.93 × 4.97 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.93 mm4.97 mm0.50 ctJ / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 514287656
Side View
Table 62.5%Crown 38°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.7%

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: Oct 31
Current: £375 GBP|Low: £238 GBP|High: £377 GBP|Avg: £316 GBP|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2£240 GBP
Retailer 3£312 GBP
Retailer 4£344 GBP
Retailer 1£375 GBP

23 data points across 4 retailers

8 retailers£225 GBP to £1,022 GBP

B+
Cheapest Retailer
-
£225 GBP
$302 USD
B+
Retailer 2
-
£243 GBP
$326 USD
View
B+
Retailer 3
-
£252 GBP
$337 USD
View
B+
Retailer 4
-
£303 GBP
$406 USD
View
B+
Retailer 5
-
£304 GBP
$407 USD
View
B+
Retailer 6
-
£312 GBP
$418 USD
View
B
Retailer 7
-
£375 GBP
€478 EUR
View
Most Expensive
C
NZ Jewellers
d5863fbf-f51a-42e1-8da1-748af354edc2 · Oct 30
£1,022 GBP
$1,370 USD
View
7 more retailers have this diamond
Prices start from £225 GBPSave up to £797 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
£225 GBP