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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 $407 AUD
As of November 6, 2026
Save $1,683 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,090 AUD 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 $407 to $2,090, a $1,683 spread on the same certified stone. NZ Jewellers lists it at $2,090. 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: $2,090 AUD|Low: $407 AUD|High: $2,148 AUD|Avg: $756 AUD|-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 12$407 AUD
Retailer 18$434 AUD
Retailer 19$474 AUD
Retailer 7$503 AUD
Retailer 9$546 AUD
Retailer 14$589 AUD
Retailer 13$593 AUD
Retailer 5$594 AUD
Retailer 2$614 AUD
Retailer 8$616 AUD
Retailer 6$629 AUD
Retailer 15$700 AUD
Retailer 17$716 AUD
Retailer 3$731 AUD
Retailer 4$734 AUD
Retailer 11$829 AUD
Retailer 16$911 AUD
Retailer 10$1,280 AUD
NZ Jewellers$2,090 AUD

15 data points across 19 retailers

19 retailers$407 AUD to $2,090 AUD

A
Cheapest Retailer
-
$407 AUD
A
Retailer 2
-
$434 AUD
View
A
Retailer 3
-
$474 AUD
View
A
Retailer 4
-
$503 AUD
View
Final sale: no returns
B+
Retailer 5
-
$546 AUD
View
B+
Retailer 6
-
$589 AUD
View
A
Retailer 7
-
$593 AUD
View
A
Retailer 8
-
$594 AUD
View
B+
Retailer 9
-
$614 AUD
View
A
Retailer 10
-
$616 AUD
View
A
Retailer 11
-
$629 AUD
View
B+
Retailer 12
-
$700 AUD
View
B+
Retailer 13
-
$716 AUD
View
B+
Retailer 14
-
$731 AUD
View
B+
Retailer 15
-
$734 AUD
View
B+
Retailer 16
-
$829 AUD
View
B+
Retailer 17
-
$911 AUD
View
B
Retailer 18
-
$1,280 AUD
View
Most Expensive
C
NZ Jewellers
927b57f1-4427-4c28-91f7-1598f84895c4 · Nov 4
$2,090 AUD
$1,463 USD
View
18 more retailers have this diamond
Prices start from $407 AUDSave up to $1,683 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.

A
0.50ct Round
$407 AUD