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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 6315135316

Certificate GIA 6315135316

Diamond specifications and retailer prices

From $459 AUD
As of November 4, 2026
Save $1,813 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,271 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6315135316. Listed at 15 retailers as of November 4, 2026, with prices from $459 to $2,271, a $1,813 spread on the same certified stone. NZ Jewellers lists it at $2,271. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6315135316
Dimensions4.96 × 4.90 × 3.19 mm
L/W Ratio1.01
Top View
4.96 mm4.90 mm0.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6315135316
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.6%

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 4
Current: $2,271 AUD|Low: $444 AUD|High: $2,271 AUD|Avg: $720 AUD
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
November 6, 2026
Retailer 16$459 AUD
Retailer 8$493 AUD
Retailer 7$513 AUD
Retailer 6$529 AUD
Retailer 15$593 AUD
Retailer 9$619 AUD
Retailer 2$626 AUD
Retailer 3$639 AUD
Retailer 14$639 AUD
Retailer 13$684 AUD
Retailer 10$723 AUD
Retailer 5$779 AUD
Retailer 4$819 AUD
Retailer 11$946 AUD
Retailer 12$1,367 AUD
NZ Jewellers$2,271 AUD

32 data points across 16 retailers

15 retailers$459 AUD to $2,271 AUD

A
Cheapest Retailer
-
$459 AUD
B+
Retailer 2
-
$493 AUD
View
B+
Retailer 3
-
$529 AUD
View
B+
Retailer 4
-
$593 AUD
View
B+
Retailer 5
-
$619 AUD
View
B+
Retailer 6
-
$626 AUD
View
B+
Retailer 7
-
$639 AUD
View
Retailer 8
-
$639 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$684 AUD
View
B+
Retailer 10
-
$723 AUD
View
B+
Retailer 11
-
$779 AUD
View
B+
Retailer 12
-
$819 AUD
View
B
Retailer 13
-
$946 AUD
View
B
Retailer 14
-
$1,367 AUD
View
Most Expensive
C
NZ Jewellers
134f384b-d80e-4dbc-9d1d-fa7ddd7c5a28 · Nov 4
$2,271 AUD
$1,590 USD
View
14 more retailers have this diamond
Prices start from $459 AUDSave up to $1,813 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
$459 AUD