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Round|Natural|IGI

0.50ct M I1 Round Natural Diamond

VG • M/I1 • IGI 639494150

Shape and cutting style on the report: Round brilliant

Certificate IGI 639494150

Diamond specifications and retailer prices

From $639 NZD
As of November 5, 2026
Save $708 NZD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,347 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 M colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 639494150. Listed at 2 retailers as of November 4, 2026, with prices from $639 to $1,347, a $708 spread on the same certified stone. NZ Jewellers lists it at $1,347. 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
M
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
Crown angle34.7°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 639494150
Dimensions5.02 × 5.04 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
5.02 mm5.04 mm0.50 ctM / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateIGI 639494150
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°CuletDepth 63.1%

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 5
Current: $1,347 NZD|Low: $468 NZD|High: $1,373 NZD|Avg: $778 NZD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
November 5, 2026
Retailer 3$468 NZD
Retailer 2$639 NZD
NZ Jewellers$1,347 NZD

22 data points across 3 retailers

2 retailers$639 NZD to $1,347 NZD

B+
Cheapest Retailer
-
$639 NZD
Most Expensive
C
NZ Jewellers
973a229d-442c-447a-b48f-40b6511acce6 · Nov 4
$1,347 NZD
$757 USD
View
1 more retailer has this diamond
Prices start from $639 NZDSave up to $708 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
$639 NZD