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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2544496902

Certificate GIA 2544496902

Diamond specifications and retailer prices

From £26,040 GBP
As of November 6, 2026
Save £16,263 GBP (38%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £42,303 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 4.02ct natural round diamond

This 4.02ct 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 2544496902. Listed at 11 retailers as of November 4, 2026, with prices from £26,040 to £42,303, a £16,263 spread on the same certified stone. MOH London lists it at £42,303. 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

4.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2544496902
Dimensions10.10 × 10.03 × 6.30 mm
L/W Ratio1.01
Star length50%
Top View
10.10 mm10.03 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2544496902
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £42,303 GBP|Low: £26,040 GBP|High: £44,335 GBP|Avg: £30,998 GBP|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 16£26,040 GBP
Retailer 2£26,993 GBP
Retailer 12£27,222 GBP
Retailer 7£27,991 GBP
Retailer 17£28,292 GBP
Retailer 8£28,528 GBP
Retailer 13£28,772 GBP
Retailer 18£28,887 GBP
Retailer 9£29,343 GBP
Retailer 4£29,363 GBP
Retailer 14£29,879 GBP
Retailer 3£30,278 GBP
Retailer 15£32,380 GBP
Retailer 11£32,698 GBP
Retailer 10£33,608 GBP
Retailer 5£33,946 GBP
Retailer 6£35,251 GBP
MOH London£42,303 GBP

22 data points across 18 retailers

11 retailers£26,040 GBP to £42,303 GBP

A
Cheapest Retailer
-
£26,040 GBP
A
Retailer 2
-
£26,993 GBP
View
B+
Retailer 3
-
£27,222 GBP
View
B+
Retailer 4
-
£28,292 GBP
View
B+
Retailer 5
-
£28,772 GBP
View
B+
Retailer 6
-
£29,879 GBP
View
B
Retailer 7
-
£32,380 GBP
View
B+
Retailer 8
-
£32,698 GBP
View
Retailer 9
-
£33,946 GBP
View
Price last confirmed 45 days ago
Retailer 10
-
£35,251 GBP
View
Price last confirmed 45 days ago
Most Expensive
B
MOH London
BD45A1CB1 · Nov 4
£42,303 GBP
View
10 more retailers have this diamond
Prices start from £26,040 GBPSave up to £16,263 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.

A
4.02ct Round
£26,040 GBP