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Cushion|Natural|GIA

4.04ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2235331078

Certificate GIA 2235331078

Diamond specifications and retailer prices

From £24,504 GBP
As of November 6, 2026
Save £15,318 GBP (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £39,821 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 4.04ct natural cushion diamond

This 4.04ct 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 2235331078. Listed at 9 retailers as of November 4, 2026, with prices from £24,504 to £39,821, a £15,318 spread on the same certified stone. MOH London lists it at £39,821. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.27°
Pavilion angle35.99°
OriginNatural
Grading LabGIA
CertificateGIA 2235331078
Dimensions10.72 × 8.29 × 5.68 mm
L/W Ratio1.29
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
10.72 mm8.29 mm4.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235331078
Side View
Table 61.0%Crown 39.27°Girdle: MED-STKPavilion 35.99°Culet: NoneDepth 68.5%

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: £39,821 GBP|Low: £24,501 GBP|High: £40,409 GBP|Avg: £28,953 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£24,504 GBP
Retailer 4£25,616 GBP
Retailer 3£25,755 GBP
Retailer 5£26,023 GBP
Retailer 8£27,075 GBP
Retailer 9£28,116 GBP
Retailer 2£30,209 GBP
Retailer 6£30,469 GBP
Retailer 10£30,704 GBP
MOH London£39,821 GBP

34 data points across 10 retailers

9 retailers£24,504 GBP to £39,821 GBP

A
Cheapest Retailer
-
£24,504 GBP
A
Retailer 2
-
£25,616 GBP
View
A
Retailer 3
-
£25,755 GBP
View
A
Retailer 4
-
£26,023 GBP
View
B+
Retailer 5
-
£27,075 GBP
View
B+
Retailer 6
-
£28,116 GBP
View
B+
Retailer 7
-
£30,209 GBP
View
B+
Retailer 8
-
£30,469 GBP
View
Most Expensive
B
MOH London
B9568B582 · Nov 4
£39,821 GBP
View
8 more retailers have this diamond
Prices start from £24,504 GBPSave up to £15,318 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
4.04ct Cushion
£24,504 GBP