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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6561630931

Certificate GIA 6561630931

Diamond specifications and retailer prices

From $400 AUD
As of November 2, 2026
Save $1,684 AUD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,084 AUD 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561630931. Listed at 7 retailers as of November 2, 2026, with prices from $400 to $2,084, a $1,684 spread on the same certified stone. NZ Jewellers lists it at $2,084. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561630931
Dimensions5.11 × 5.07 × 3.19 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
5.11 mm5.07 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561630931
Side View
Table 55.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,084 AUD|Low: $400 AUD|High: $2,084 AUD|Avg: $927 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3$400 AUD
Retailer 4$577 AUD
Retailer 2$704 AUD
Retailer 7$767 AUD
Retailer 5$891 AUD
Retailer 6$1,254 AUD
NZ Jewellers$2,084 AUD

11 data points across 7 retailers

7 retailers$400 AUD to $2,084 AUD

A
Cheapest Retailer
-
$400 AUD
A
Retailer 2
-
$577 AUD
View
B+
Retailer 3
-
$704 AUD
View
B+
Retailer 4
-
$767 AUD
View
B+
Retailer 5
-
$891 AUD
View
B
Retailer 6
-
$1,254 AUD
View
Most Expensive
C
NZ Jewellers
19bb4cf2-b709-4fce-a99e-d88d807ae5f9 · Nov 2
$2,084 AUD
$1,459 USD
View
6 more retailers have this diamond
Prices start from $400 AUDSave up to $1,684 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
$400 AUD