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Cushion|Natural|GIA

0.42ct K VS1 Cushion Natural Diamond

EX • K/VS1 • GIA 6552420589

Certificate GIA 6552420589

Diamond specifications and retailer prices

From £235 GBP
As of November 6, 2026
Save £526 GBP (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £761 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.42ct natural cushion diamond

This 0.42ct natural cushion sits in the sub-half-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552420589. Listed at 8 retailers as of November 4, 2026, with prices from £235 to £761, a £526 spread on the same certified stone. MOH London lists it at £761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
K
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552420589
Dimensions4.24 × 4.23 × 2.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Pinpoint, Needle
Top View
4.24 mm4.23 mm0.42 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552420589
Side View
Table 64.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.7%

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: £761 GBP|Low: £235 GBP|High: £771 GBP|Avg: £450 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£235 GBP
Retailer 7£356 GBP
Retailer 4£406 GBP
Retailer 6£486 GBP
Retailer 3£498 GBP
Retailer 5£514 GBP
MOH London£761 GBP

39 data points across 7 retailers

8 retailers£235 GBP to £761 GBP

A
Cheapest Retailer
-
£235 GBP
B+
Retailer 2
-
£381 GBP
View
B+
Retailer 3
-
£406 GBP
View
B+
Retailer 4
-
£432 GBP
View
B
Retailer 5
-
£486 GBP
View
B+
Retailer 6
-
£498 GBP
View
B
Retailer 7
-
£514 GBP
View
Most Expensive
B
MOH London
DCDF29426 · Nov 4
£761 GBP
View
7 more retailers have this diamond
Prices start from £235 GBPSave up to £526 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
0.42ct Cushion
£235 GBP