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Cushion|Natural|GIA

4.11ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5553618401

Certificate GIA 5553618401

Diamond specifications and retailer prices

From £23,682 GBP
As of November 6, 2026
Save £14,811 GBP (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £38,493 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 4.11ct natural cushion diamond

This 4.11ct natural cushion sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553618401. Listed at 8 retailers as of November 4, 2026, with prices from £23,682 to £38,493, a £14,811 spread on the same certified stone. MOH London lists it at £38,493. 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

4.11
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553618401
Dimensions10.25 × 7.79 × 5.45 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.25 mm7.79 mm4.11 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553618401
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.0%

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: £38,493 GBP|Low: £23,682 GBP|High: £41,105 GBP|Avg: £29,063 GBP|-6.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6£23,682 GBP
Retailer 2£24,893 GBP
Retailer 4£24,959 GBP
Retailer 5£26,166 GBP
Retailer 7£27,172 GBP
Retailer 3£29,195 GBP
Retailer 8£29,447 GBP
MOH London£38,493 GBP

35 data points across 8 retailers

8 retailers£23,682 GBP to £38,493 GBP

A
Cheapest Retailer
-
£23,682 GBP
A
Retailer 2
-
£24,893 GBP
View
A
Retailer 3
-
£24,959 GBP
View
A
Retailer 4
-
£26,166 GBP
View
B+
Retailer 5
-
£27,172 GBP
View
B+
Retailer 6
-
£29,195 GBP
View
B+
Retailer 7
-
£29,447 GBP
View
Most Expensive
B
MOH London
3BD3858A0 · Nov 4
£38,493 GBP
View
7 more retailers have this diamond
Prices start from £23,682 GBPSave up to £14,811 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
4.11ct Cushion
£23,682 GBP