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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 $659 NZD
HK$2,900 HKD
As of November 1, 2026
Save $2,294 NZD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,952 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 standard cut grade and certified by GIA 7431390961. Listed at 9 retailers as of November 1, 2026, with prices from $659 to $2,952, a $2,294 spread on the same certified stone. NZ Jewellers lists it at $2,952. 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: Nov 1
Current: $1,239 NZD|Low: $659 NZD|High: $1,248 NZD|Avg: $1,009 NZD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$659 NZD
Retailer 2$847 NZD
Retailer 3$1,085 NZD
Retailer 5$1,086 NZD
Retailer 6$1,158 NZD
Retailer 1$1,239 NZD

24 data points across 6 retailers

9 retailers$659 NZD to $2,952 NZD

B+
Cheapest Retailer
-
$659 NZD
HK$2,900 HKD
B
Retailer 2
-
$770 NZD
$434 USD
View
B
Retailer 3
-
$830 NZD
$468 USD
View
B
Retailer 4
-
$830 NZD
$468 USD
View
B
Retailer 5
-
$889 NZD
$501 USD
View
B
Retailer 6
-
$1,054 NZD
$594 USD
View
B
Retailer 7
-
$1,085 NZD
$612 USD
View
B
Retailer 8
-
$1,239 NZD
€665 EUR
View
Most Expensive
C
NZ Jewellers
1c7639bb-69cc-495f-a0b5-24b4f72b7a6a · Nov 2
$2,952 NZD
$1,664 USD
View
8 more retailers have this diamond
Prices start from $659 NZDSave up to $2,294 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
$659 NZD