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Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

VG • K/I1 • IGI 520217151

Shape and cutting style on the report: Round brilliant

Certificate IGI 520217151

Diamond specifications and retailer prices

From $209 USD
As of November 4, 2026
Save $736 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $945 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 K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by IGI 520217151. Listed at 8 retailers as of November 4, 2026, with prices from $209 to $945, a $736 spread on the same certified stone. NZ Jewellers lists it at $945. 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
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.2°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 520217151
Dimensions5.00 × 5.05 × 3.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.00 mm5.05 mm0.50 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 520217151
Side View
Table 62.5%Crown 37.2°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 61.0%

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: Nov 4
Current: $423 USD|Low: $209 USD|High: $427 USD|Avg: $305 USD|+3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2$211 USD
Retailer 3$275 USD
Retailer 4$313 USD
Retailer 1$423 USD

17 data points across 4 retailers

8 retailers$209 USD to $945 USD

B+
Cheapest Retailer
-
$209 USD
Retailer 2
-
$225 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$233 USD
View
B+
Retailer 4
-
$266 USD
View
B+
Retailer 5
-
$275 USD
View
B+
Retailer 6
-
$281 USD
View
B+
Retailer 7
-
$423 USD
View
Most Expensive
C
NZ Jewellers
ac07f5a6-fc96-464d-969c-66520abdfd5a · Nov 4
$945 USD
View
7 more retailers have this diamond
Prices start from $209 USDSave up to $736 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
$209 USD