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Round|Natural|IGI

3.11ct K I1 Round Natural Diamond

GD • K/I1 • IGI 569390631

Shape and cutting style on the report: Round brilliant

Certificate IGI 569390631

Diamond specifications and retailer prices

From £4,739 GBP
As of November 4, 2026
Save £4,350 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £9,089 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and I1 clarity (included), with a standard cut grade and certified by IGI 569390631. Listed at 8 retailers as of November 4, 2026, with prices from £4,739 to £9,089, a £4,350 spread on the same certified stone. NZ Jewellers lists it at £9,089. 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

3.11
Carat
K
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 569390631
Dimensions9.22 × 9.34 × 5.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
9.22 mm9.34 mm3.11 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 569390631
Side View
Table 68.0%Crown 33°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £9,089 GBP|Low: £5,016 GBP|High: £9,089 GBP|Avg: £6,058 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3£5,016 GBP
Retailer 7£5,406 GBP
Retailer 5£5,434 GBP
Retailer 4£5,517 GBP
Retailer 8£5,716 GBP
Retailer 2£5,899 GBP
Retailer 6£6,270 GBP
NZ Jewellers£9,089 GBP

27 data points across 8 retailers

8 retailers£4,739 GBP to £9,089 GBP

B+
Cheapest Retailer
-
£4,739 GBP
Retailer 2
-
£5,016 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£5,406 GBP
View
B+
Retailer 4
-
£5,434 GBP
View
B+
Retailer 5
-
£5,517 GBP
View
B+
Retailer 6
-
£5,899 GBP
View
B+
Retailer 7
-
£6,270 GBP
View
Most Expensive
B
NZ Jewellers
7914ad8f-e293-49be-974d-4f302627c0c2 · Nov 5
£9,089 GBP
$12,233 USD
View
7 more retailers have this diamond
Prices start from £4,739 GBPSave up to £4,350 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.

B+
3.11ct Round
£4,739 GBP