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Round|Natural|GIA

0.50ct J I1 Round Natural Diamond

GD • J/I1 • GIA 7431390961

Certificate GIA 7431390961

Diamond specifications and retailer prices

From £277 GBP
HK$2,900 HKD
As of October 30, 2026
Save £965 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,242 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 standard cut grade and certified by GIA 7431390961. Listed at 9 retailers as of October 30, 2026, with prices from £277 to £1,242, a £965 spread on the same certified stone. NZ Jewellers lists it at £1,242. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle37°
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 7431390961
Dimensions4.93 × 4.95 × 3.20 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
4.93 mm4.95 mm0.50 ctJ / I1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 7431390961
Side View
Table 50.0%Crown 37°GirdlePavilion 39°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 30
Current: £521 GBP|Low: £277 GBP|High: £525 GBP|Avg: £425 GBP|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4£277 GBP
Retailer 2£356 GBP
Retailer 3£456 GBP
Retailer 5£457 GBP
Retailer 6£487 GBP
Retailer 1£521 GBP

24 data points across 6 retailers

9 retailers£277 GBP to £1,242 GBP

B+
Cheapest Retailer
-
£277 GBP
HK$2,900 HKD
B
Retailer 2
-
£324 GBP
$434 USD
View
B
Retailer 3
-
£349 GBP
$468 USD
View
B
Retailer 4
-
£349 GBP
$468 USD
View
B
Retailer 5
-
£374 GBP
$501 USD
View
B
Retailer 6
-
£443 GBP
$594 USD
View
B
Retailer 7
-
£456 GBP
$612 USD
View
C
Retailer 8
-
£521 GBP
€665 EUR
View
Most Expensive
C
NZ Jewellers
1c7639bb-69cc-495f-a0b5-24b4f72b7a6a · Oct 30
£1,242 GBP
$1,664 USD
View
8 more retailers have this diamond
Prices start from £277 GBPSave up to £965 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
£277 GBP