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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 €273 EUR
As of November 4, 2026
Save €772 EUR (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,044 EUR 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 €273 to €1,044, a €772 spread on the same certified stone. NZ Jewellers lists it at €1,044. 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
Colour
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: €350 EUR|Low: €290 EUR|High: €637 EUR|Avg: €393 EUR|-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€290 EUR
Retailer 8€290 EUR
Retailer 10€304 EUR
Retailer 1€350 EUR
Retailer 3€356 EUR
Retailer 4€373 EUR
Retailer 7€420 EUR
Retailer 5€459 EUR
Retailer 6€472 EUR
Retailer 9€632 EUR

43 data points across 10 retailers

16 retailers€273 EUR to €1,044 EUR

A
Cheapest Retailer
-
€273 EUR
Retailer 2
-
€290 EUR
View
Price last confirmed 16 days ago
Retailer 3
-
€293 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€304 EUR
View
B+
Retailer 5
-
€350 EUR
View
B+
Retailer 6
-
€356 EUR
View
B+
Retailer 7
-
€366 EUR
View
B+
Retailer 8
-
€373 EUR
View
Retailer 9
-
€377 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€388 EUR
View
Retailer 11
-
€420 EUR
View
Price last confirmed 7 days ago
B+
Retailer 12
-
€453 EUR
View
B+
Retailer 13
-
€459 EUR
View
B+
Retailer 14
-
€472 EUR
View
Retailer 15
-
€632 EUR
View
Price last confirmed 8 days ago
Most Expensive
C
NZ Jewellers
0393634c-e239-4a05-9dab-ce5cf1fd9e2b · Nov 4
€1,044 EUR
$1,172 USD
View
15 more retailers have this diamond
Prices start from €273 EURSave up to €772 EUR

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
€273 EUR