Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

GD • K/I1 • IGI 520281903

Shape and cutting style on the report: Round brilliant

Certificate IGI 520281903

Diamond specifications and retailer prices

From $443 NZD
As of November 4, 2026
Save $1,562 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,005 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by IGI 520281903. Listed at 8 retailers as of November 4, 2026, with prices from $443 to $2,005, a $1,562 spread on the same certified stone. NZ Jewellers lists it at $2,005. 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
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 520281903
Dimensions4.93 × 4.95 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
4.93 mm4.95 mm0.50 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 520281903
Side View
Table 56.5%Crown 37.7°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $866 NZD|Low: $455 NZD|High: $873 NZD|Avg: $645 NZD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$459 NZD
Retailer 3$598 NZD
Retailer 4$664 NZD
Retailer 1$866 NZD

14 data points across 4 retailers

8 retailers$443 NZD to $2,005 NZD

B+
Cheapest Retailer
-
$443 NZD
Retailer 2
-
$477 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$493 NZD
View
B+
Retailer 4
-
$580 NZD
View
B+
Retailer 5
-
$596 NZD
View
B+
Retailer 6
-
$598 NZD
View
B
Retailer 7
-
$866 NZD
View
Most Expensive
C
NZ Jewellers
92ebabed-e8ae-47e9-9f16-05cf90392e50 · Nov 4
$2,005 NZD
$1,127 USD
View
7 more retailers have this diamond
Prices start from $443 NZDSave up to $1,562 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.

B+
0.50ct Round
$443 NZD