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Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

GD • K/I1 • IGI 497151838

Shape and cutting style on the report: Round brilliant

Certificate IGI 497151838

Diamond specifications and retailer prices

From $420 NZD
As of November 4, 2026
Save $1,478 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,898 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 497151838. Listed at 8 retailers as of November 4, 2026, with prices from $420 to $1,898, a $1,478 spread on the same certified stone. NZ Jewellers lists it at $1,898. 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
FluorescenceStrong
Crown angle38.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 497151838
Dimensions4.85 × 4.89 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.85 mm4.89 mm0.50 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI 497151838
Side View
Table 60.0%Crown 38.7°Girdle: THK-VTKPavilion 40.2°Culet: NoneDepth 64.9%

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: $827 NZD|Low: $429 NZD|High: $833 NZD|Avg: $610 NZD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$432 NZD
Retailer 3$560 NZD
Retailer 4$628 NZD
Retailer 1$827 NZD

16 data points across 4 retailers

8 retailers$420 NZD to $1,898 NZD

B+
Cheapest Retailer
-
$420 NZD
Retailer 2
-
$452 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$468 NZD
View
B+
Retailer 4
-
$544 NZD
View
B+
Retailer 5
-
$560 NZD
View
B+
Retailer 6
-
$564 NZD
View
B
Retailer 7
-
$827 NZD
View
Most Expensive
C
NZ Jewellers
caa0489a-4c6f-4491-bb3f-c505ce221bfc · Nov 4
$1,898 NZD
$1,067 USD
View
7 more retailers have this diamond
Prices start from $420 NZDSave up to $1,478 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
$420 NZD