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Round|Natural|GIA

0.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 5566589568

Certificate GIA 5566589568

Diamond specifications and retailer prices

From $514 NZD
As of November 6, 2026
Save $2,125 NZD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,639 NZD at NZ Jewellers · As of November 4, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5566589568. Listed at 19 retailers as of November 4, 2026, with prices from $514 to $2,639, a $2,125 spread on the same certified stone. NZ Jewellers lists it at $2,639. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle32°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5566589568
Dimensions5.12 × 5.14 × 3.07 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.12 mm5.14 mm0.50 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566589568
Side View
Table 57.0%Crown 32°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 60.0%

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: Nov 6
Current: $2,639 NZD|Low: $514 NZD|High: $2,713 NZD|Avg: $954 NZD|-2.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 13$514 NZD
Retailer 19$548 NZD
Retailer 3$599 NZD
Retailer 7$635 NZD
Retailer 9$689 NZD
Retailer 15$743 NZD
Retailer 14$749 NZD
Retailer 6$750 NZD
Retailer 12$776 NZD
Retailer 8$777 NZD
Retailer 2$803 NZD
Retailer 16$884 NZD
Retailer 18$904 NZD
Retailer 4$924 NZD
Retailer 5$927 NZD
Retailer 11$1,046 NZD
Retailer 17$1,151 NZD
Retailer 10$1,616 NZD
NZ Jewellers$2,639 NZD

15 data points across 19 retailers

19 retailers$514 NZD to $2,639 NZD

A
Cheapest Retailer
-
$514 NZD
A
Retailer 2
-
$548 NZD
View
A
Retailer 3
-
$599 NZD
View
A
Retailer 4
-
$635 NZD
View
Final sale: no returns
B+
Retailer 5
-
$689 NZD
View
B+
Retailer 6
-
$743 NZD
View
A
Retailer 7
-
$749 NZD
View
A
Retailer 8
-
$750 NZD
View
A
Retailer 9
-
$776 NZD
View
A
Retailer 10
-
$777 NZD
View
B+
Retailer 11
-
$803 NZD
View
B+
Retailer 12
-
$884 NZD
View
B+
Retailer 13
-
$904 NZD
View
B+
Retailer 14
-
$924 NZD
View
B+
Retailer 15
-
$927 NZD
View
B+
Retailer 16
-
$1,046 NZD
View
B+
Retailer 17
-
$1,151 NZD
View
B
Retailer 18
-
$1,616 NZD
View
Most Expensive
C
NZ Jewellers
927b57f1-4427-4c28-91f7-1598f84895c4 · Nov 4
$2,639 NZD
$1,463 USD
View
18 more retailers have this diamond
Prices start from $514 NZDSave up to $2,125 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.

A
0.50ct Round
$514 NZD