CaratHunter
Plans
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 $252 USD
As of November 4, 2026
Save $888 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,140 USD 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 $252 to $1,140, a $888 spread on the same certified stone. NZ Jewellers lists it at $1,140. 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
Color
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
undefined
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: $425 USD|Low: $330 USD|High: $429 USD|Avg: $379 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$330 USD
Retailer 3$378 USD
Retailer 2$381 USD
Retailer 1$425 USD

13 data points across 4 retailers

8 retailers$252 USD to $1,140 USD

B+
Cheapest Retailer
-
$252 USD
Retailer 2
-
$271 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$281 USD
View
B+
Retailer 4
-
$330 USD
View
B+
Retailer 5
-
$339 USD
View
B
Retailer 6
-
$381 USD
View
B
Retailer 7
-
$425 USD
View
Most Expensive
C
NZ Jewellers
f8014e4b-5d8c-4625-b5fc-cf5f1c799d16 · Nov 4
$1,140 USD
View
7 more retailers have this diamond
Prices start from $252 USDSave up to $888 USD

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
$252 USD