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0.51ct K I2 Round Natural Diamond

GD • K/I2 • IGI 571397567

Shape and cutting style on the report: Round brilliant

Certificate IGI 571397567

Diamond specifications and retailer prices

From €455 EUR
As of November 4, 2026
Save €94 EUR (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €549 EUR at Yorxs · As of November 5, 2026
View at Yorxs

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I2 clarity (included), with a standard cut grade and certified by IGI 571397567. Listed at 3 retailers as of November 4, 2026, with prices from €455 to €549, a €94 spread on the same certified stone. Yorxs lists it at €549. 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

0.51
Carat
K
Colour
I2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.8°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 571397567
Dimensions4.86 × 4.92 × 3.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeAbraded
Cert comments
Additional clouds not shown. Additional twinning wisps not shown. Surface grain lines present.
Top View
4.86 mm4.92 mm0.51 ctK / I2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 571397567
Side View
Table 56.0%Crown 36.8°Girdle: VTN-VTKPavilion 42.7°Culet: ABRDepth 68.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 4
Current: €390 EUR|Low: €390 EUR|High: €604 EUR|Avg: €482 EUR
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1€390 EUR
Retailer 2€455 EUR
Yorxs€549 EUR

15 data points across 3 retailers

3 retailers€455 EUR to €549 EUR

Retailer 1
-
€390 EUR
Price last confirmed 8 days ago
C
Retailer 2
-
€455 EUR
View
Most Expensive
C
Yorxs
516308482 · Nov 5
€549 EUR
View
2 more retailers have this diamond
Prices start from €455 EURSave up to €94 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.

C
0.51ct Round
€455 EUR