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 $752 NZD
As of November 4, 2026
Save $2,151 NZD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,903 NZD 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 $752 to $2,903, a $2,151 spread on the same certified stone. NZ Jewellers lists it at $2,903. 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: $2,903 NZD|Low: $854 NZD|High: $2,903 NZD|Avg: $1,413 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$854 NZD
Retailer 7$904 NZD
Retailer 9$1,021 NZD
Retailer 8$1,028 NZD
Retailer 2$1,142 NZD
Retailer 4$1,242 NZD
Retailer 3$1,252 NZD
Retailer 6$2,135 NZD
NZ Jewellers$2,903 NZD

44 data points across 9 retailers

14 retailers$752 NZD to $2,903 NZD

A
Cheapest Retailer
-
$752 NZD
A
Retailer 2
-
$838 NZD
View
A
Retailer 3
-
$854 NZD
View
B+
Retailer 4
-
$873 NZD
View
Retailer 5
-
$904 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$904 NZD
View
B+
Retailer 7
-
$968 NZD
View
B+
Retailer 8
-
$1,021 NZD
View
B+
Retailer 9
-
$1,092 NZD
View
B+
Retailer 10
-
$1,142 NZD
View
B
Retailer 11
-
$1,242 NZD
View
B
Retailer 12
-
$1,252 NZD
View
B
Retailer 13
-
$2,135 NZD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
$2,903 NZD
$1,632 USD
View
13 more retailers have this diamond
Prices start from $752 NZDSave up to $2,151 NZD

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
$752 NZD