01 Natural stone comparison

Harmony Grey vs Diana Royal

A side-by-side comparison of Harmony Grey and Diana Royal — origin, colour, finishes, applications and best use cases — to help architects and designers choose the right natural stone for their project.

Harmony Grey natural marble surface

Harmony Grey

Harmony Grey Marble is a Turkish grey marble with a cool mineral base crossed by distinctive rust, copper and pale vein accents. Quarried in Türkiye and available in polished, honed and leathered finishes, it is specified for feature walls, dining tables, stair details, hospitality interiors and spa surfaces where natural movement and contemporary character are desired.

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Diana Royal natural marble surface

Diana Royal

Diana Royal Marble is a warm Turkish beige marble with a balanced background and gently flowing white veins. Quarried in Türkiye, it is available in polished, honed and leathered finishes and is used for flooring, wall cladding, bathrooms, staircases and custom architectural details in residential, hospitality and commercial projects.

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02 Specification comparison

Harmony Grey vs Diana Royal
at a glance.

Comparison of Harmony Grey and Diana Royal specifications
PropertyHarmony GreyDiana Royal
CategoryMarbleMarble
OriginTürkiyeTürkiye
ColourGreyCream Beige
ToneMineral greyCream beige
Available finishesPolished, Honed, LeatheredPolished, Honed, Leathered
Available formsSlab, Tile, Cut-to-sizeSlab, Tile, Cut-to-size
BookmatchSelection dependentAvailable
ApplicationsFlooring, Wall cladding, Bathrooms, Countertops, Feature wallsFlooring, Wall cladding, Bathrooms, Countertops, Feature walls

03 Which stone to choose

Choosing between
Harmony Grey and Diana Royal.

Choose Harmony Grey when

The project calls for a grey marble from Türkiye with 3 finish options (polished, honed, leathered) and selection-dependent bookmatch availability. Its character suits flooring, wall cladding, bathrooms and pairs naturally with warm timber, metal and natural material palettes.

Explore Harmony Grey

Choose Diana Royal when

The project calls for a cream beige marble from Türkiye with 3 finish options (polished, honed, leathered) and bookmatch availability. Its character suits flooring, wall cladding, bathrooms and pairs naturally with warm timber, metal and natural material palettes.

Explore Diana Royal

Both Harmony Grey and Diana Royal are available as slabs, tiles and cut-to-size pieces from Terra Natural Stone. Request samples to compare the materials in person before specifying.

04 Frequently asked

Harmony Grey vs Diana Royal
quick answers.

What is the difference between Harmony Grey and Diana Royal?

Harmony Grey is a grey marble from Türkiye with 3 finish options, while Diana Royal is a cream beige marble from Türkiye with 3 finish options. Harmony Grey suits flooring and wall cladding; Diana Royal suits flooring and wall cladding.

Which is better for flooring, Harmony Grey or Diana Royal?

Both can work for flooring. Harmony Grey offers a mineral grey character with polished, honed, leathered finishes. Diana Royal offers a cream beige character with polished, honed, leathered finishes. The choice depends on the project's colour palette, traffic expectations and whether a polished, honed or textured surface is preferred.

Can Harmony Grey and Diana Royal be bookmatched?

Harmony Grey: selection dependent. Diana Royal: bookmatch available. Bookmatching is most effective on feature walls and large surfaces where the mirrored vein pattern can be appreciated at scale.

What finishes are available for Harmony Grey and Diana Royal?

Harmony Grey is available in polished, honed, leathered. Diana Royal is available in polished, honed, leathered. Polishing intensifies colour and reflection; honing creates a softer matte surface; textured finishes add tactility and slip resistance.

Compare in person

Samples make
the difference.

Request samples