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Round|Natural|GIA

0.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6522437125

Certificate GIA 6522437125

Diamond specifications and retailer prices

From $606 AUD
$425 USD
As of October 30, 2026
Save $752 AUD (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,005 AUD at NZ Jewellers · As of November 2, 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 6522437125. Listed at 9 retailers as of October 30, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522437125
Dimensions5.17 × 5.15 × 3.11 mm
L/W Ratio1.00
Top View
5.17 mm5.15 mm0.50 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522437125
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.4%

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: $3,005 AUD|Low: $251 AUD|High: $3,005 AUD|Avg: $884 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3$251 AUD
Retailer 5$292 AUD
Retailer 14$358 AUD
Retailer 4$458 AUD
Retailer 6$565 AUD
Retailer 10$606 AUD
Retailer 12$868 AUD
Retailer 7$935 AUD
Retailer 8$935 AUD
Retailer 13$1,002 AUD
Retailer 9$1,062 AUD
Retailer 11$1,099 AUD
Retailer 2$1,359 AUD
NZ Jewellers$3,005 AUD

10 data points across 14 retailers

9 retailers$606 AUD to $1,359 AUD

B+
Cheapest Retailer
-
$606 AUD
$425 USD
B
Retailer 2
-
$868 AUD
$608 USD
View
B
Retailer 3
-
$935 AUD
$655 USD
View
B
Retailer 4
-
$935 AUD
$655 USD
View
B
Retailer 5
-
$1,002 AUD
$702 USD
View
B
Retailer 6
-
$1,062 AUD
$744 USD
View
B
Retailer 7
-
$1,099 AUD
$770 USD
View
B
Retailer 8
-
$1,359 AUD
€907 EUR
View
Most Expensive
NZ Jewellers
f83ec209-1cb8-485c-b255-0c4d99b20dd6 · Nov 2
$3,005 AUD
$2,106 USD
View
Price under review
8 more retailers have this diamond
Prices start from $606 AUDSave up to $752 AUD

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
$606 AUD