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Cushion|Natural|GIA

4.01ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6551217341

Certificate GIA 6551217341

Diamond specifications and retailer prices

From €29,077 EUR
As of November 6, 2026
Save €21,954 EUR (43%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €51,031 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural cushion diamond

This 4.01ct 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 6551217341. Listed at 21 retailers as of November 4, 2026, with prices from €29,077 to €51,031, a €21,954 spread on the same certified stone. MOH London lists it at €51,031. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551217341
Dimensions10.87 × 8.38 × 5.76 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
10.87 mm8.38 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551217341
Side View
Table 66.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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: €51,031 EUR|Low: €30,288 EUR|High: €51,442 EUR|Avg: €36,456 EUR|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 3€30,288 EUR
Retailer 4€31,721 EUR
Retailer 8€31,796 EUR
Retailer 2€32,686 EUR
Retailer 9€32,763 EUR
Retailer 5€35,940 EUR
Retailer 6€38,343 EUR
Retailer 7€40,772 EUR
MOH London€51,031 EUR

23 data points across 9 retailers

21 retailers€29,077 EUR to €51,031 EUR

A
Cheapest Retailer
-
€29,077 EUR
A
Retailer 2
-
€29,829 EUR
View
A
Retailer 3
-
€30,288 EUR
View
A
Retailer 4
-
€30,686 EUR
View
A
Retailer 5
-
€31,721 EUR
View
A
Retailer 6
-
€31,796 EUR
View
B+
Retailer 7
-
€32,514 EUR
View
A
Retailer 8
-
€32,686 EUR
View
Retailer 9
-
€32,763 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€32,967 EUR
View
B+
Retailer 11
-
€33,674 EUR
View
B+
Retailer 12
-
€34,388 EUR
View
B+
Retailer 13
-
€35,035 EUR
View
B+
Retailer 14
-
€35,433 EUR
View
B+
Retailer 15
-
€35,940 EUR
View
B+
Retailer 16
-
€36,796 EUR
View
Retailer 17
-
€36,850 EUR
View
Price last confirmed 15 days ago
B+
Retailer 18
-
€38,343 EUR
View
B+
Retailer 19
-
€38,673 EUR
View
B
Retailer 20
-
€40,772 EUR
View
Most Expensive
B
MOH London
86EA74769 · Nov 4
€51,031 EUR
£44,863 GBP
View
20 more retailers have this diamond
Prices start from €29,077 EURSave up to €21,954 EUR

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
4.01ct Cushion
€29,077 EUR