Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552634711

Certificate GIA 6552634711

Diamond specifications and retailer prices

From $589 NZD
As of November 5, 2026
Save $2,501 NZD (81%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: $3,090 NZD at NZ Jewellers · As of October 20, 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 6552634711. Listed at 35 retailers as of November 4, 2026, with a 425% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552634711
Dimensions5.10 × 5.13 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
5.10 mm5.13 mm0.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552634711
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.8%

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 5
Current: $843 NZD|Low: $589 NZD|High: $1,884 NZD|Avg: $1,075 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$589 NZD
Retailer 10$683 NZD
Retailer 1$843 NZD
Retailer 9$868 NZD
Retailer 2$877 NZD
Retailer 3$987 NZD
Retailer 5$1,026 NZD
Retailer 7$1,249 NZD
Retailer 4$1,288 NZD
Retailer 8$1,861 NZD

36 data points across 10 retailers

35 retailers$589 NZD to $3,090 NZD

A
Cheapest Retailer
-
$589 NZD
A
Retailer 2
-
$683 NZD
View
Retailer 3
-
$806 NZD
View
Price last confirmed 36 days ago
Retailer 4
-
$806 NZD
View
Price last confirmed 17 days ago
Retailer 5
-
$806 NZD
View
Price last confirmed 50 days ago
Retailer 6
-
$806 NZD
View
Price last confirmed 29 days ago
Retailer 7
-
$806 NZD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$806 NZD
View
B+
Retailer 9
-
$843 NZD
View
Retailer 10
-
$868 NZD
View
Price last confirmed 22 days ago
Retailer 11
-
$868 NZD
View
Price last confirmed 8 days ago
Retailer 12
-
$868 NZD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$868 NZD
View
Retailer 14
-
$868 NZD
View
Price last confirmed 22 days ago
Retailer 15
-
$868 NZD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$868 NZD
View
B+
Retailer 17
-
$877 NZD
View
Retailer 18
-
$930 NZD
View
Price last confirmed 48 days ago
Retailer 19
-
$930 NZD
View
Price last confirmed 17 days ago
Retailer 20
-
$930 NZD
View
Price last confirmed 29 days ago
Retailer 21
-
$930 NZD
View
Price last confirmed 33 days ago
B+
Retailer 22
-
$930 NZD
View
B+
Retailer 23
-
$987 NZD
View
B+
Retailer 24
-
$1,026 NZD
View
B+
Retailer 25
-
$1,039 NZD
View
B+
Retailer 26
-
$1,044 NZD
View
B
Retailer 27
-
$1,174 NZD
View
B
Retailer 28
-
$1,249 NZD
View
B
Retailer 29
-
$1,288 NZD
View
B
Retailer 30
-
$1,861 NZD
View
Retailer 31
-
$3,090 NZD
View
Price last confirmed 48 days ago
Retailer 32
-
$3,090 NZD
View
Price last confirmed 34 days ago
Retailer 33
-
$3,090 NZD
View
Price last confirmed 29 days ago
C
Retailer 34
-
$3,090 NZD
View
Most Expensive
NZ Jewellers
ec1ec0f6-355d-4f8e-a891-8b03a913776a · Oct 20
$3,090 NZD
$1,737 USD
View
Price last confirmed 17 days ago
34 more retailers have this diamond
Prices start from $589 NZDSave up to $2,501 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
$589 NZD