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Round|Natural|IGI

0.50ct K I2 Round Natural Diamond

VG • K/I2 • IGI 510166321

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166321

Diamond specifications and retailer prices

From $537 NZD
As of November 4, 2026
Save $1,900 NZD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,437 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 I2 clarity (included), with a very-good cut grade and certified by IGI 510166321. Listed at 7 retailers as of November 4, 2026, with prices from $537 to $2,437, a $1,900 spread on the same certified stone. NZ Jewellers lists it at $2,437. 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
I2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 510166321
Dimensions5.07 × 5.13 × 3.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.07 mm5.13 mm0.50 ctK / I2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 510166321
Side View
Table 61.0%Crown 33.3°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 59.4%

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: $886 NZD|Low: $567 NZD|High: $898 NZD|Avg: $727 NZD|+1.8%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2$571 NZD
Retailer 1$886 NZD

19 data points across 2 retailers

7 retailers$537 NZD to $2,437 NZD

B+
Cheapest Retailer
-
$537 NZD
Retailer 2
-
$580 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$599 NZD
View
B+
Retailer 4
-
$720 NZD
View
B+
Retailer 5
-
$724 NZD
View
B
Retailer 6
-
$886 NZD
View
Most Expensive
C
NZ Jewellers
22e18f58-ed63-4003-90ff-0096687d1ab7 · Nov 4
$2,437 NZD
$1,370 USD
View
6 more retailers have this diamond
Prices start from $537 NZDSave up to $1,900 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
$537 NZD