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Round|Natural|GIA

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231974769

Certificate GIA 5231974769

Diamond specifications and retailer prices

From £26,279 GBP
As of November 5, 2026
Save £7,263 GBP (22%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £33,541 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 4.01ct natural round diamond

This 4.01ct 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 GIA 5231974769. Listed at 9 retailers as of November 5, 2026, with prices from £26,279 to £33,541, a £7,263 spread on the same certified stone. Yorxs lists it at £33,541. 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

4.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231974769
Dimensions10.08 × 10.14 × 6.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
10.08 mm10.14 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231974769
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 5
Current: £30,670 GBP|Low: £26,279 GBP|High: £33,924 GBP|Avg: £29,831 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
November 6, 2026
Retailer 11£26,279 GBP
Retailer 2£26,353 GBP
Retailer 8£27,933 GBP
Retailer 4£28,352 GBP
Retailer 6£28,795 GBP
Retailer 9£29,035 GBP
Retailer 1£30,670 GBP
Retailer 7£30,793 GBP
Retailer 10£31,194 GBP
Retailer 3£31,373 GBP
Retailer 5£33,232 GBP
Yorxs£33,541 GBP

38 data points across 12 retailers

9 retailers£26,279 GBP to £33,541 GBP

B+
Cheapest Retailer
-
£26,279 GBP
B+
Retailer 2
-
£26,353 GBP
View
B+
Retailer 3
-
£28,352 GBP
View
Retailer 4
-
£29,995 GBP
View
Price last confirmed 66 days ago
B+
Retailer 5
-
£30,670 GBP
View
B+
Retailer 6
-
£31,373 GBP
View
Retailer 7
-
£32,394 GBP
View
Price last confirmed 67 days ago
B
Retailer 8
-
£33,232 GBP
View
Most Expensive
B
Yorxs
65223 · Nov 5
£33,541 GBP
€42,994 EUR
View
8 more retailers have this diamond
Prices start from £26,279 GBPSave up to £7,263 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+
4.01ct Round
£26,279 GBP