Round|Natural|IGI

0.50ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 815637045

Shape and cutting style on the report: Round brilliant

Certificate IGI 815637045

Diamond specifications and retailer prices

From $306 USD
As of November 4, 2026
Save $866 USD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,172 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815637045. Listed at 16 retailers as of November 4, 2026, with prices from $306 to $1,172, a $866 spread on the same certified stone. NZ Jewellers lists it at $1,172. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 815637045
Dimensions4.99 × 5.03 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
4.99 mm5.03 mm0.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 815637045
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $393 USD|Low: $325 USD|High: $715 USD|Avg: $441 USD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$325 USD
Retailer 8$325 USD
Retailer 10$341 USD
Retailer 1$393 USD
Retailer 3$400 USD
Retailer 4$419 USD
Retailer 7$471 USD
Retailer 5$515 USD
Retailer 6$530 USD
Retailer 9$709 USD

43 data points across 10 retailers

16 retailers$306 USD to $1,172 USD

A
Cheapest Retailer
-
$306 USD
Retailer 2
-
$325 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$329 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$341 USD
View
B+
Retailer 5
-
$393 USD
View
B+
Retailer 6
-
$400 USD
View
B+
Retailer 7
-
$411 USD
View
B+
Retailer 8
-
$419 USD
View
Retailer 9
-
$423 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$436 USD
View
Retailer 11
-
$471 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$509 USD
View
B+
Retailer 13
-
$515 USD
View
B+
Retailer 14
-
$530 USD
View
Retailer 15
-
$709 USD
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
0393634c-e239-4a05-9dab-ce5cf1fd9e2b · Nov 4
$1,172 USD
View
15 more retailers have this diamond
Prices start from $306 USDSave up to $866 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.

A
0.50ct Round
$306 USD