CaratHunter
Plans
Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2231475190

Certificate GIA 2231475190

Diamond specifications and retailer prices

From $604 AUD
As of November 4, 2026
Save $1,727 AUD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,331 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 top-tier cut grade and certified by GIA 2231475190. Listed at 14 retailers as of November 4, 2026, with prices from $604 to $2,331, a $1,727 spread on the same certified stone. NZ Jewellers lists it at $2,331. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231475190
Dimensions5.08 × 5.06 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 2231475190
Top View
5.08 mm5.06 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231475190
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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: $2,331 AUD|Low: $686 AUD|High: $2,331 AUD|Avg: $1,135 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$686 AUD
Retailer 7$726 AUD
Retailer 9$820 AUD
Retailer 8$826 AUD
Retailer 2$917 AUD
Retailer 4$997 AUD
Retailer 3$1,006 AUD
Retailer 6$1,714 AUD
NZ Jewellers$2,331 AUD

44 data points across 9 retailers

14 retailers$604 AUD to $2,331 AUD

A
Cheapest Retailer
-
$604 AUD
A
Retailer 2
-
$673 AUD
View
A
Retailer 3
-
$686 AUD
View
B+
Retailer 4
-
$701 AUD
View
Retailer 5
-
$726 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$726 AUD
View
B+
Retailer 7
-
$777 AUD
View
B+
Retailer 8
-
$820 AUD
View
B+
Retailer 9
-
$877 AUD
View
B+
Retailer 10
-
$917 AUD
View
B
Retailer 11
-
$997 AUD
View
B
Retailer 12
-
$1,006 AUD
View
B
Retailer 13
-
$1,714 AUD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
$2,331 AUD
$1,632 USD
View
13 more retailers have this diamond
Prices start from $604 AUDSave up to $1,727 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
$604 AUD