CaratHunter
Plans
Round|Natural|IGI

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 £380 GBP
As of November 4, 2026
Save £78 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £458 GBP 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 £380 to £458, a £78 spread on the same certified stone. Yorxs lists it at £458. 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

How it works →
C
Average
Compare with similar diamonds
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £325 GBP|Low: £325 GBP|High: £504 GBP|Avg: £402 GBP
Retailer 1
Retailer 2
Yorxs
November 5, 2026
Retailer 1£325 GBP
Retailer 2£380 GBP
Yorxs£458 GBP

15 data points across 3 retailers

3 retailers£380 GBP to £458 GBP

Retailer 1
-
£325 GBP
Price last confirmed 8 days ago
C
Retailer 2
-
£380 GBP
View
Most Expensive
C
Yorxs
516308482 · Nov 5
£458 GBP
€587 EUR
View
2 more retailers have this diamond
Prices start from £380 GBPSave up to £78 GBP

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
£380 GBP