Round|Natural|GIA

0.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552634711

Certificate GIA 6552634711

Diamond specifications and retailer prices

From $473 AUD
As of November 5, 2026
Save $2,008 AUD (81%) vs most expensive(unlock to see where)
35 retailers carry this diamond
Most expensive: $2,481 AUD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $677 AUD|Low: $473 AUD|High: $1,513 AUD|Avg: $864 AUD
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$473 AUD
Retailer 10$549 AUD
Retailer 1$677 AUD
Retailer 9$697 AUD
Retailer 2$704 AUD
Retailer 3$793 AUD
Retailer 5$824 AUD
Retailer 7$1,003 AUD
Retailer 4$1,034 AUD
Retailer 8$1,494 AUD

36 data points across 10 retailers

35 retailers$473 AUD to $2,481 AUD

A
Cheapest Retailer
-
$473 AUD
A
Retailer 2
-
$549 AUD
View
Retailer 3
-
$647 AUD
View
Price last confirmed 36 days ago
Retailer 4
-
$647 AUD
View
Price last confirmed 17 days ago
Retailer 5
-
$647 AUD
View
Price last confirmed 50 days ago
Retailer 6
-
$647 AUD
View
Price last confirmed 29 days ago
Retailer 7
-
$647 AUD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$647 AUD
View
B+
Retailer 9
-
$677 AUD
View
Retailer 10
-
$697 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$697 AUD
View
Price last confirmed 8 days ago
Retailer 12
-
$697 AUD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$697 AUD
View
Retailer 14
-
$697 AUD
View
Price last confirmed 22 days ago
Retailer 15
-
$697 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$697 AUD
View
B+
Retailer 17
-
$704 AUD
View
Retailer 18
-
$747 AUD
View
Price last confirmed 48 days ago
Retailer 19
-
$747 AUD
View
Price last confirmed 17 days ago
Retailer 20
-
$747 AUD
View
Price last confirmed 29 days ago
Retailer 21
-
$747 AUD
View
Price last confirmed 33 days ago
B+
Retailer 22
-
$747 AUD
View
B+
Retailer 23
-
$793 AUD
View
B+
Retailer 24
-
$824 AUD
View
B+
Retailer 25
-
$834 AUD
View
B+
Retailer 26
-
$839 AUD
View
B
Retailer 27
-
$943 AUD
View
B
Retailer 28
-
$1,003 AUD
View
B
Retailer 29
-
$1,034 AUD
View
B
Retailer 30
-
$1,494 AUD
View
Retailer 31
-
$2,481 AUD
View
Price last confirmed 48 days ago
Retailer 32
-
$2,481 AUD
View
Price last confirmed 34 days ago
Retailer 33
-
$2,481 AUD
View
Price last confirmed 29 days ago
C
Retailer 34
-
$2,481 AUD
View
Most Expensive
NZ Jewellers
ec1ec0f6-355d-4f8e-a891-8b03a913776a · Oct 20
$2,481 AUD
$1,737 USD
View
Price last confirmed 17 days ago
34 more retailers have this diamond
Prices start from $473 AUDSave up to $2,008 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
$473 AUD