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Round|Natural|IGI

0.50ct K I1 Round Natural Diamond

GD • K/I1 • IGI 520281903

Shape and cutting style on the report: Round brilliant

Certificate IGI 520281903

Diamond specifications and retailer prices

From $249 USD
As of November 4, 2026
Save $878 USD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,127 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 standard cut grade and certified by IGI 520281903. Listed at 8 retailers as of November 4, 2026, with prices from $249 to $1,127, a $878 spread on the same certified stone. NZ Jewellers lists it at $1,127. 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
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 520281903
Dimensions4.93 × 4.95 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
4.93 mm4.95 mm0.50 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 520281903
Side View
Table 56.5%Crown 37.7°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 64.4%

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: $487 USD|Low: $256 USD|High: $491 USD|Avg: $362 USD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$258 USD
Retailer 3$336 USD
Retailer 4$373 USD
Retailer 1$487 USD

14 data points across 4 retailers

8 retailers$249 USD to $1,127 USD

B+
Cheapest Retailer
-
$249 USD
Retailer 2
-
$268 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$277 USD
View
B+
Retailer 4
-
$326 USD
View
B+
Retailer 5
-
$335 USD
View
B+
Retailer 6
-
$336 USD
View
B
Retailer 7
-
$487 USD
View
Most Expensive
C
NZ Jewellers
92ebabed-e8ae-47e9-9f16-05cf90392e50 · Nov 4
$1,127 USD
View
7 more retailers have this diamond
Prices start from $249 USDSave up to $878 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
$249 USD