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Round|Natural|IGI

0.50ct J I1 Round Natural Diamond

VG • J/I1 • IGI 510176474

Shape and cutting style on the report: Round brilliant

Certificate IGI 510176474

Diamond specifications and retailer prices

From $536 NZD
$302 USD
As of October 31, 2026
Save $1,895 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,431 NZD at NZ Jewellers · As of November 2, 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 510176474. Listed at 8 retailers as of October 31, 2026, with prices from $536 to $2,431, a $1,895 spread on the same certified stone. NZ Jewellers lists it at $2,431. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 510176474
Dimensions5.22 × 5.25 × 2.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.22 mm5.25 mm0.50 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 510176474
Side View
Table 61.5%Crown 29.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.0%

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: Oct 31
Current: $891 NZD|Low: $566 NZD|High: $896 NZD|Avg: $752 NZD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$571 NZD
Retailer 3$742 NZD
Retailer 4$817 NZD
Retailer 1$891 NZD

22 data points across 4 retailers

8 retailers$536 NZD to $2,431 NZD

B+
Cheapest Retailer
-
$536 NZD
$302 USD
B+
Retailer 2
-
$578 NZD
$326 USD
View
B+
Retailer 3
-
$598 NZD
$337 USD
View
B+
Retailer 4
-
$720 NZD
$406 USD
View
B+
Retailer 5
-
$722 NZD
$407 USD
View
B+
Retailer 6
-
$742 NZD
$418 USD
View
B
Retailer 7
-
$891 NZD
€478 EUR
View
Most Expensive
C
NZ Jewellers
ccd4e21f-1ff3-4447-b002-5bee79bba597 · Nov 2
$2,431 NZD
$1,370 USD
View
7 more retailers have this diamond
Prices start from $536 NZDSave up to $1,895 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
$536 NZD