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Cushion|Natural|GIA

4.03ct K SI1 Cushion Natural Diamond

ID • K/SI1 • GIA 2557570314

Certificate GIA 2557570314

Diamond specifications and retailer prices

From €20,486 EUR
As of November 6, 2026
Save €17,630 EUR (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €38,116 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 4.03ct natural cushion diamond

This 4.03ct 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 2557570314. Listed at 5 retailers as of November 4, 2026, with prices from €20,486 to €38,116, a €17,630 spread on the same certified stone. MOH London lists it at €38,116. 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

4.03
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557570314
Dimensions10.92 × 8.29 × 5.62 mm
L/W Ratio1.32
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
10.92 mm8.29 mm4.03 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557570314
Side View
Table 65.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.8%

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: €38,116 EUR|Low: €20,486 EUR|High: €39,905 EUR|Avg: €27,478 EUR|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2€20,486 EUR
Retailer 6€23,074 EUR
Retailer 4€24,265 EUR
Retailer 5€25,625 EUR
Retailer 3€29,803 EUR
MOH London€38,116 EUR

17 data points across 6 retailers

5 retailers€20,486 EUR to €38,116 EUR

A
Cheapest Retailer
-
€20,486 EUR
A
Retailer 2
-
€24,265 EUR
View
A
Retailer 3
-
€25,625 EUR
View
A
Retailer 4
-
€29,803 EUR
View
Most Expensive
B+
MOH London
40AAB05C2 · Nov 4
€38,116 EUR
£33,509 GBP
View
4 more retailers have this diamond
Prices start from €20,486 EURSave up to €17,630 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
4.03ct Cushion
€20,486 EUR