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Round|Natural|IGI

0.50ct N SI2 Round Natural Diamond

VG • N/SI2 • IGI 257720139

Shape and cutting style on the report: Round brilliant

Certificate IGI 257720139

Diamond specifications and retailer prices

From $360 AUD
As of November 4, 2026
Save $1,269 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,628 AUD 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 N colour (tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 257720139. Listed at 8 retailers as of November 4, 2026, with prices from $360 to $1,628, a $1,269 spread on the same certified stone. NZ Jewellers lists it at $1,628. 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
N
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 257720139
Dimensions4.95 × 4.98 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.95 mm4.98 mm0.50 ctN / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 257720139
Side View
Table 63.0%Crown 37.5°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 63.4%

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: $607 AUD|Low: $471 AUD|High: $613 AUD|Avg: $541 AUD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$471 AUD
Retailer 3$540 AUD
Retailer 2$544 AUD
Retailer 1$607 AUD

13 data points across 4 retailers

8 retailers$360 AUD to $1,628 AUD

B+
Cheapest Retailer
-
$360 AUD
Retailer 2
-
$387 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$401 AUD
View
B+
Retailer 4
-
$471 AUD
View
B+
Retailer 5
-
$484 AUD
View
B
Retailer 6
-
$544 AUD
View
B
Retailer 7
-
$607 AUD
View
Most Expensive
C
NZ Jewellers
f8014e4b-5d8c-4625-b5fc-cf5f1c799d16 · Nov 4
$1,628 AUD
$1,140 USD
View
7 more retailers have this diamond
Prices start from $360 AUDSave up to $1,269 AUD

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
$360 AUD