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3.51ct K I1 Round Natural Diamond

GD • K/I1 • HRD 220000110947

Shape and cutting style on the report: Brilliant

Certificate HRD 220000110947

Diamond specifications and retailer prices

From £6,674 GBP
As of November 4, 2026
Save £4,187 GBP (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £10,861 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.51ct natural round diamond

This 3.51ct 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 HRD 220000110947. Listed at 7 retailers as of November 4, 2026, with prices from £6,674 to £10,861, a £4,187 spread on the same certified stone. NZ Jewellers lists it at £10,861. 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

3.51
Carat
K
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle38°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 220000110947
Dimensions9.41 × 9.47 × 6.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.41 mm9.47 mm3.51 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 220000110947
Side View
Table 56.0%Crown 38°Girdle: MediumPavilion 41°Culet: NoneDepth 66.0%

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: £10,861 GBP|Low: £6,674 GBP|High: £10,861 GBP|Avg: £8,231 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7£6,674 GBP
Retailer 6£7,194 GBP
Retailer 4£7,792 GBP
Retailer 3£7,913 GBP
Retailer 2£8,147 GBP
Retailer 5£8,992 GBP
NZ Jewellers£10,861 GBP

21 data points across 7 retailers

7 retailers£6,674 GBP to £10,861 GBP

B+
Cheapest Retailer
-
£6,674 GBP
Retailer 2
-
£7,194 GBP
View
Price last confirmed 21 days ago
B+
Retailer 3
-
£7,792 GBP
View
B+
Retailer 4
-
£7,913 GBP
View
B+
Retailer 5
-
£8,147 GBP
View
B+
Retailer 6
-
£8,992 GBP
View
Most Expensive
B+
NZ Jewellers
23cd0686-0b0c-4dfe-8d35-2888d9842350 · Nov 5
£10,861 GBP
$14,618 USD
View
6 more retailers have this diamond
Prices start from £6,674 GBPSave up to £4,187 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+
3.51ct Round
£6,674 GBP