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 $678 NZD
As of November 6, 2026
Save $2,179 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,857 NZD 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 $678 to $2,857, a $2,179 spread on the same certified stone. NZ Jewellers lists it at $2,857. 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: $2,857 NZD|Low: $678 NZD|High: $2,857 NZD|Avg: $1,283 NZD
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$678 NZD
Retailer 4$911 NZD
Retailer 3$981 NZD
Retailer 11$981 NZD
Retailer 10$1,046 NZD
Retailer 12$1,052 NZD
Retailer 5$1,111 NZD
Retailer 6$1,173 NZD
Retailer 9$1,256 NZD
Retailer 7$1,412 NZD
Retailer 8$2,100 NZD
NZ Jewellers$2,857 NZD

27 data points across 12 retailers

15 retailers$678 NZD to $2,857 NZD

A
Cheapest Retailer
-
$678 NZD
A
Retailer 2
-
$841 NZD
View
Final sale: no returns
A
Retailer 3
-
$911 NZD
View
Retailer 4
-
$981 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$981 NZD
View
A
Retailer 6
-
$1,046 NZD
View
B+
Retailer 7
-
$1,052 NZD
View
B+
Retailer 8
-
$1,111 NZD
View
B+
Retailer 9
-
$1,147 NZD
View
B+
Retailer 10
-
$1,173 NZD
View
B+
Retailer 11
-
$1,207 NZD
View
B+
Retailer 12
-
$1,256 NZD
View
B
Retailer 13
-
$1,412 NZD
View
B
Retailer 14
-
$2,100 NZD
View
Most Expensive
B
NZ Jewellers
94f349c8-f65a-4932-8869-dcbe078fc335 · Nov 5
$2,857 NZD
$1,584 USD
View
14 more retailers have this diamond
Prices start from $678 NZDSave up to $2,179 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 Oval
$678 NZD