CaratHunter
Plans
Round|Natural|GIA

0.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6522437125

Certificate GIA 6522437125

Diamond specifications and retailer prices

From $755 NZD
$425 USD
As of October 30, 2026
Save $937 NZD (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,743 NZD 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: $3,743 NZD|Low: $313 NZD|High: $3,743 NZD|Avg: $1,101 NZD
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$313 NZD
Retailer 5$364 NZD
Retailer 14$446 NZD
Retailer 4$570 NZD
Retailer 6$704 NZD
Retailer 10$755 NZD
Retailer 12$1,081 NZD
Retailer 7$1,164 NZD
Retailer 8$1,164 NZD
Retailer 13$1,248 NZD
Retailer 9$1,322 NZD
Retailer 11$1,369 NZD
Retailer 2$1,693 NZD
NZ Jewellers$3,743 NZD

10 data points across 14 retailers

9 retailers$755 NZD to $1,693 NZD

B+
Cheapest Retailer
-
$755 NZD
$425 USD
B
Retailer 2
-
$1,081 NZD
$608 USD
View
B
Retailer 3
-
$1,164 NZD
$655 USD
View
B
Retailer 4
-
$1,164 NZD
$655 USD
View
B
Retailer 5
-
$1,248 NZD
$702 USD
View
B
Retailer 6
-
$1,322 NZD
$744 USD
View
B
Retailer 7
-
$1,369 NZD
$770 USD
View
B
Retailer 8
-
$1,693 NZD
€907 EUR
View
Most Expensive
NZ Jewellers
f83ec209-1cb8-485c-b255-0c4d99b20dd6 · Nov 2
$3,743 NZD
$2,106 USD
View
Price under review
8 more retailers have this diamond
Prices start from $755 NZDSave up to $937 NZD

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
$755 NZD