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Round|Natural|IGI

0.50ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 815637045

Shape and cutting style on the report: Round brilliant

Certificate IGI 815637045

Diamond specifications and retailer prices

From $437 AUD
As of November 4, 2026
Save $1,237 AUD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,674 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815637045. Listed at 16 retailers as of November 4, 2026, with prices from $437 to $1,674, a $1,237 spread on the same certified stone. NZ Jewellers lists it at $1,674. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 815637045
Dimensions4.99 × 5.03 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.99 mm5.03 mm0.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 815637045
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

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 4
Current: $561 AUD|Low: $464 AUD|High: $1,021 AUD|Avg: $629 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$464 AUD
Retailer 8$464 AUD
Retailer 10$487 AUD
Retailer 1$561 AUD
Retailer 3$571 AUD
Retailer 4$599 AUD
Retailer 7$673 AUD
Retailer 5$736 AUD
Retailer 6$757 AUD
Retailer 9$1,013 AUD

43 data points across 10 retailers

16 retailers$437 AUD to $1,674 AUD

A
Cheapest Retailer
-
$437 AUD
Retailer 2
-
$464 AUD
View
Price last confirmed 16 days ago
Retailer 3
-
$470 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$487 AUD
View
B+
Retailer 5
-
$561 AUD
View
B+
Retailer 6
-
$571 AUD
View
B+
Retailer 7
-
$587 AUD
View
B+
Retailer 8
-
$599 AUD
View
Retailer 9
-
$604 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$623 AUD
View
Retailer 11
-
$673 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$727 AUD
View
B+
Retailer 13
-
$736 AUD
View
B+
Retailer 14
-
$757 AUD
View
Retailer 15
-
$1,013 AUD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
0393634c-e239-4a05-9dab-ce5cf1fd9e2b · Nov 4
$1,674 AUD
$1,172 USD
View
15 more retailers have this diamond
Prices start from $437 AUDSave up to $1,237 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
$437 AUD