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Cushion|Natural|GIA

4.01ct K SI1 Cushion Natural Diamond

ID • K/SI1 • GIA 1553789977

Shape and cutting style on the report: Old miner

Certificate GIA 1553789977

Diamond specifications and retailer prices

From £36,885 GBP
As of November 6, 2026
Save £8,592 GBP (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £45,477 GBP at Yorxs · As of November 6, 2026
View at Yorxs

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 1553789977. Listed at 2 retailers as of November 6, 2026, with prices from £36,885 to £45,477, a £8,592 spread on the same certified stone. Yorxs lists it at £45,477. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553789977
Dimensions11.62 × 7.58 × 5.24 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeSlightly Large
Top View
11.62 mm7.58 mm4.01 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553789977
Side View
Table 56.0%CrownGirdle: VTN-VTKPavilionCulet: SLGDepth 69.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £36,885 GBP|Low: £36,885 GBP|High: £47,939 GBP|Avg: £41,954 GBP
Retailer 1
Yorxs
November 6, 2026
Retailer 1£36,885 GBP
Yorxs£45,477 GBP

16 data points across 2 retailers

2 retailers£36,885 GBP to £45,477 GBP

B
Cheapest Retailer
-
£36,885 GBP
Most Expensive
B
Yorxs
612019605 · Nov 6
£45,477 GBP
€57,972 EUR
View
1 more retailer has this diamond
Prices start from £36,885 GBPSave up to £8,592 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.

B
4.01ct Cushion
£36,885 GBP