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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6495450286

Certificate GIA 6495450286

Diamond specifications and retailer prices

From $540 AUD
As of November 6, 2026
Save $2,102 AUD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,642 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6495450286. Listed at 24 retailers as of November 4, 2026, with prices from $540 to $2,642, a $2,102 spread on the same certified stone. NZ Jewellers lists it at $2,642. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 6495450286
Dimensions5.09 × 5.03 × 3.11 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
5.09 mm5.03 mm0.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495450286
Side View
Table 64.0%Crown 31°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 61.5%

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: $945 AUD|Low: $540 AUD|High: $1,610 AUD|Avg: $902 AUD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$540 AUD
Retailer 2$636 AUD
Retailer 6$709 AUD
Retailer 4$847 AUD
Retailer 5$878 AUD
Retailer 3$886 AUD
Retailer 1$945 AUD
Retailer 10$990 AUD
Retailer 7$1,068 AUD
Retailer 8$1,589 AUD

34 data points across 10 retailers

24 retailers$540 AUD to $2,642 AUD

A
Cheapest Retailer
-
$540 AUD
B+
Retailer 2
-
$636 AUD
View
Final sale: no returns
B+
Retailer 3
-
$688 AUD
View
A
Retailer 4
-
$709 AUD
View
B+
Retailer 5
-
$709 AUD
View
B+
Retailer 6
-
$732 AUD
View
Retailer 7
-
$742 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$742 AUD
View
B+
Retailer 9
-
$750 AUD
View
B+
Retailer 10
-
$795 AUD
View
B+
Retailer 11
-
$795 AUD
View
B+
Retailer 12
-
$847 AUD
View
B+
Retailer 13
-
$878 AUD
View
B+
Retailer 14
-
$879 AUD
View
B+
Retailer 15
-
$886 AUD
View
B+
Retailer 16
-
$907 AUD
View
B+
Retailer 17
-
$945 AUD
View
B
Retailer 18
-
$961 AUD
View
B
Retailer 19
-
$972 AUD
View
B
Retailer 20
-
$990 AUD
View
B
Retailer 21
-
$1,068 AUD
View
Retailer 22
-
$1,103 AUD
View
Price last confirmed 34 days ago
B
Retailer 23
-
$1,589 AUD
View
Most Expensive
C
NZ Jewellers
2bf60d4b-caab-4a0c-94f0-101c968453b3 · Nov 4
$2,642 AUD
$1,815 USD
View
23 more retailers have this diamond
Prices start from $540 AUDSave up to $2,102 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
$540 AUD