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Round|Natural|GIA

4.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6227409748

Certificate GIA 6227409748

Diamond specifications and retailer prices

From £26,735 GBP
As of November 4, 2026
Save £14,702 GBP (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £41,437 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 4.04ct natural round diamond

This 4.04ct 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 6227409748. Listed at 5 retailers as of November 4, 2026, with prices from £26,735 to £41,437, a £14,702 spread on the same certified stone. MOH London lists it at £41,437. 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

4.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6227409748
Dimensions10.28 × 10.33 × 6.24 mm
L/W Ratio1.00
Culet sizeVery Small
Top View
10.28 mm10.33 mm4.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6227409748
Side View
Table 57.0%Crown 34°Girdle: ThinPavilion 41°Culet: Very SmallDepth 60.5%

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: £41,437 GBP|Low: £26,735 GBP|High: £41,770 GBP|Avg: £31,979 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£26,735 GBP
Retailer 5£27,712 GBP
Retailer 3£28,483 GBP
Retailer 2£33,107 GBP
MOH London£41,437 GBP

7 data points across 5 retailers

5 retailers£26,735 GBP to £41,437 GBP

B+
Cheapest Retailer
-
£26,735 GBP
B+
Retailer 2
-
£27,712 GBP
View
B+
Retailer 3
-
£28,483 GBP
View
B+
Retailer 4
-
£33,107 GBP
View
Most Expensive
B
MOH London
E073003A1 · Nov 4
£41,437 GBP
View
4 more retailers have this diamond
Prices start from £26,735 GBPSave up to £14,702 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+
4.04ct Round
£26,735 GBP