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Oval|Natural|IGI

0.50ct K SI1 Oval Natural Diamond

VG • K/SI1 • IGI 815673850

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815673850

Diamond specifications and retailer prices

From $461 AUD
As of November 6, 2026
Save $1,927 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,388 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.5ct natural oval diamond

This 0.5ct natural oval 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 815673850. Listed at 14 retailers as of November 5, 2026, with prices from $461 to $2,388, a $1,927 spread on the same certified stone. NZ Jewellers lists it at $2,388. 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
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 815673850
Dimensions5.96 × 4.45 × 2.84 mm
L/W Ratio1.34
Girdle conditionFaceted
Top View
5.96 mm4.45 mm0.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815673850
Side View
Table 63.0%Crown 39.3°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 63.8%

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 6
Current: $2,388 AUD|Low: $461 AUD|High: $2,388 AUD|Avg: $893 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$461 AUD
Retailer 13$623 AUD
Retailer 11$671 AUD
Retailer 12$671 AUD
Retailer 3$719 AUD
Retailer 4$720 AUD
Retailer 6$760 AUD
Retailer 8$795 AUD
Retailer 5$869 AUD
Retailer 9$966 AUD
Retailer 7$1,020 AUD
Retailer 10$1,438 AUD
NZ Jewellers$2,388 AUD

26 data points across 13 retailers

14 retailers$461 AUD to $2,388 AUD

A
Cheapest Retailer
-
$461 AUD
B+
Retailer 2
-
$623 AUD
View
B+
Retailer 3
-
$671 AUD
View
Retailer 4
-
$671 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$719 AUD
View
B+
Retailer 6
-
$720 AUD
View
B+
Retailer 7
-
$760 AUD
View
B+
Retailer 8
-
$795 AUD
View
B+
Retailer 9
-
$814 AUD
View
B
Retailer 10
-
$869 AUD
View
B
Retailer 11
-
$966 AUD
View
B
Retailer 12
-
$1,020 AUD
View
B
Retailer 13
-
$1,438 AUD
View
Most Expensive
C
NZ Jewellers
6bba7a95-f147-4ae4-bf71-77febf028e53 · Nov 5
$2,388 AUD
$1,641 USD
View
13 more retailers have this diamond
Prices start from $461 AUDSave up to $1,927 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 Oval
$461 AUD