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 $317 USD
As of November 6, 2026
Save $1,324 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,641 USD 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 $317 to $1,641, a $1,324 spread on the same certified stone. NZ Jewellers lists it at $1,641. 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
Color
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: $1,641 USD|Low: $317 USD|High: $1,641 USD|Avg: $614 USD
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$317 USD
Retailer 13$428 USD
Retailer 11$461 USD
Retailer 12$461 USD
Retailer 3$494 USD
Retailer 4$495 USD
Retailer 6$522 USD
Retailer 8$546 USD
Retailer 5$597 USD
Retailer 9$664 USD
Retailer 7$701 USD
Retailer 10$988 USD
NZ Jewellers$1,641 USD

26 data points across 13 retailers

14 retailers$317 USD to $1,641 USD

A
Cheapest Retailer
-
$317 USD
B+
Retailer 2
-
$428 USD
View
B+
Retailer 3
-
$461 USD
View
Retailer 4
-
$461 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$494 USD
View
B+
Retailer 6
-
$495 USD
View
B+
Retailer 7
-
$522 USD
View
B+
Retailer 8
-
$546 USD
View
B+
Retailer 9
-
$559 USD
View
B
Retailer 10
-
$597 USD
View
B
Retailer 11
-
$664 USD
View
B
Retailer 12
-
$701 USD
View
B
Retailer 13
-
$988 USD
View
Most Expensive
C
NZ Jewellers
6bba7a95-f147-4ae4-bf71-77febf028e53 · Nov 5
$1,641 USD
View
13 more retailers have this diamond
Prices start from $317 USDSave up to $1,324 USD

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
$317 USD