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Oval|Natural|IGI

0.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • IGI 790615858

Shape and cutting style on the report: Oval brilliant

Certificate IGI 790615858

Diamond specifications and retailer prices

From $547 AUD
As of November 6, 2026
Save $1,758 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,305 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 790615858. Listed at 15 retailers as of November 5, 2026, with prices from $547 to $2,305, a $1,758 spread on the same certified stone. NZ Jewellers lists it at $2,305. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 790615858
Dimensions6.43 × 4.44 × 2.77 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Top View
6.43 mm4.44 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 790615858
Side View
Table 60.0%Crown 37.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

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: $2,305 AUD|Low: $547 AUD|High: $2,305 AUD|Avg: $1,035 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
November 6, 2026
Retailer 2$547 AUD
Retailer 4$735 AUD
Retailer 3$792 AUD
Retailer 11$792 AUD
Retailer 10$844 AUD
Retailer 12$848 AUD
Retailer 5$897 AUD
Retailer 6$946 AUD
Retailer 9$1,013 AUD
Retailer 7$1,140 AUD
Retailer 8$1,694 AUD
NZ Jewellers$2,305 AUD

27 data points across 12 retailers

15 retailers$547 AUD to $2,305 AUD

A
Cheapest Retailer
-
$547 AUD
A
Retailer 2
-
$678 AUD
View
Final sale: no returns
A
Retailer 3
-
$735 AUD
View
Retailer 4
-
$792 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$792 AUD
View
A
Retailer 6
-
$844 AUD
View
B+
Retailer 7
-
$848 AUD
View
B+
Retailer 8
-
$897 AUD
View
B+
Retailer 9
-
$926 AUD
View
B+
Retailer 10
-
$946 AUD
View
B+
Retailer 11
-
$974 AUD
View
B+
Retailer 12
-
$1,013 AUD
View
B
Retailer 13
-
$1,140 AUD
View
B
Retailer 14
-
$1,694 AUD
View
Most Expensive
B
NZ Jewellers
94f349c8-f65a-4932-8869-dcbe078fc335 · Nov 5
$2,305 AUD
$1,584 USD
View
14 more retailers have this diamond
Prices start from $547 AUDSave up to $1,758 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
$547 AUD