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Round|Natural|IGI

3.03ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 826688863

Shape and cutting style on the report: Round brilliant

Certificate IGI 826688863

Diamond specifications and retailer prices

From £9,452 GBP
As of November 4, 2026
Save £1,708 GBP (15%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £11,160 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826688863. Listed at 4 retailers as of November 4, 2026, with prices from £9,452 to £11,160, a £1,708 spread on the same certified stone. Yorxs lists it at £11,160. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 826688863
Dimensions9.16 × 9.22 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.16 mm9.22 mm3.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826688863
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £10,806 GBP|Low: £7,991 GBP|High: £11,248 GBP|Avg: £9,601 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 2£8,038 GBP
Retailer 3£9,452 GBP
Retailer 1£10,806 GBP
Yorxs£11,160 GBP

44 data points across 4 retailers

4 retailers£9,452 GBP to £11,160 GBP

Retailer 1
-
£8,038 GBP
Price last confirmed 9 days ago
A
Retailer 2
-
£9,452 GBP
View
A
Retailer 3
-
£10,806 GBP
View
Most Expensive
B+
Yorxs
AA7128 · Nov 5
£11,160 GBP
€14,305 EUR
View
3 more retailers have this diamond
Prices start from £9,452 GBPSave up to £1,708 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.

A
3.03ct Round
£9,452 GBP