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Round|Natural|GIA

0.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6521906074

Certificate GIA 6521906074

Diamond specifications and retailer prices

From £184 GBP
₹23,461 INR
As of October 31, 2026
Save £784 GBP (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £968 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 top-tier cut grade and certified by GIA 6521906074. Listed at 9 retailers as of October 30, 2026, with prices from £184 to £968, a £784 spread on the same certified stone. NZ Jewellers lists it at £968. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521906074
Dimensions5.09 × 5.05 × 3.16 mm
L/W Ratio1.01
Top View
5.09 mm5.05 mm0.50 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521906074
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £968 GBP|Low: £184 GBP|High: £1,017 GBP|Avg: £390 GBP|-4.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4£184 GBP
Retailer 9£220 GBP
Retailer 3£252 GBP
Retailer 8£272 GBP
Retailer 7£281 GBP
Retailer 5£340 GBP
Retailer 6£401 GBP
Retailer 2£465 GBP
NZ Jewellers£968 GBP

46 data points across 9 retailers

9 retailers£184 GBP to £968 GBP

A
Cheapest Retailer
-
£184 GBP
₹23,461 INR
A
Retailer 2
-
£220 GBP
HK$2,300 HKD
View
A
Retailer 3
-
£252 GBP
$337 USD
View
A
Retailer 4
-
£272 GBP
$364 USD
View
B+
Retailer 5
-
£281 GBP
$377 USD
View
B+
Retailer 6
-
£340 GBP
$455 USD
View
B+
Retailer 7
-
£401 GBP
$537 USD
View
B+
Retailer 8
-
£465 GBP
€594 EUR
View
Most Expensive
B
NZ Jewellers
82179241-dfa5-4141-836d-490c870af9ee · Oct 30
£968 GBP
$1,297 USD
View
8 more retailers have this diamond
Prices start from £184 GBPSave up to £784 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.

A
0.50ct Round
£184 GBP