CaratHunter
Plans
Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2564538320

Certificate GIA 2564538320

Diamond specifications and retailer prices

From $697 NZD
As of November 6, 2026
Save $2,165 NZD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,862 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564538320. Listed at 17 retailers as of November 4, 2026, with prices from $697 to $2,862, a $2,165 spread on the same certified stone. NZ Jewellers lists it at $2,862. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2564538320
Dimensions5.15 × 5.11 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.15 mm5.11 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564538320
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.0%

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: $2,862 NZD|Low: $697 NZD|High: $2,862 NZD|Avg: $1,285 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$697 NZD
Retailer 9$881 NZD
Retailer 3$913 NZD
Retailer 11$982 NZD
Retailer 12$982 NZD
Retailer 4$1,053 NZD
Retailer 6$1,126 NZD
Retailer 5$1,174 NZD
Retailer 7$1,356 NZD
Retailer 8$1,414 NZD
Retailer 10$2,106 NZD
NZ Jewellers$2,862 NZD

25 data points across 12 retailers

17 retailers$697 NZD to $2,862 NZD

A
Cheapest Retailer
-
$697 NZD
A
Retailer 2
-
$774 NZD
View
A
Retailer 3
-
$818 NZD
View
A
Retailer 4
-
$881 NZD
View
A
Retailer 5
-
$913 NZD
View
B+
Retailer 6
-
$982 NZD
View
Retailer 7
-
$982 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,053 NZD
View
B+
Retailer 9
-
$1,126 NZD
View
B+
Retailer 10
-
$1,146 NZD
View
B+
Retailer 11
-
$1,167 NZD
View
B+
Retailer 12
-
$1,174 NZD
View
B
Retailer 13
-
$1,272 NZD
View
B+
Retailer 14
-
$1,356 NZD
View
B
Retailer 15
-
$1,414 NZD
View
B
Retailer 16
-
$2,106 NZD
View
Most Expensive
B
NZ Jewellers
4b735c9f-ad37-46e8-926f-56435415096d · Nov 4
$2,862 NZD
$1,609 USD
View
16 more retailers have this diamond
Prices start from $697 NZDSave up to $2,165 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
$697 NZD