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 $572 NZD
As of November 6, 2026
Save $2,388 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,960 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 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 $572 to $2,960, a $2,388 spread on the same certified stone. NZ Jewellers lists it at $2,960. 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: $2,960 NZD|Low: $572 NZD|High: $2,960 NZD|Avg: $1,107 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
Retailer 13
November 6, 2026
Retailer 2$572 NZD
Retailer 13$772 NZD
Retailer 11$832 NZD
Retailer 12$832 NZD
Retailer 3$891 NZD
Retailer 4$893 NZD
Retailer 6$942 NZD
Retailer 8$985 NZD
Retailer 5$1,077 NZD
Retailer 9$1,198 NZD
Retailer 7$1,265 NZD
Retailer 10$1,782 NZD
NZ Jewellers$2,960 NZD

26 data points across 13 retailers

14 retailers$572 NZD to $2,960 NZD

A
Cheapest Retailer
-
$572 NZD
B+
Retailer 2
-
$772 NZD
View
B+
Retailer 3
-
$832 NZD
View
Retailer 4
-
$832 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$891 NZD
View
B+
Retailer 6
-
$893 NZD
View
B+
Retailer 7
-
$942 NZD
View
B+
Retailer 8
-
$985 NZD
View
B+
Retailer 9
-
$1,008 NZD
View
B
Retailer 10
-
$1,077 NZD
View
B
Retailer 11
-
$1,198 NZD
View
B
Retailer 12
-
$1,265 NZD
View
B
Retailer 13
-
$1,782 NZD
View
Most Expensive
C
NZ Jewellers
6bba7a95-f147-4ae4-bf71-77febf028e53 · Nov 5
$2,960 NZD
$1,641 USD
View
13 more retailers have this diamond
Prices start from $572 NZDSave up to $2,388 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
$572 NZD