Diamond of Istanbul

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Diamond of Istanbul
Tallest Buildings Locations.svg
Countries/regions with buildings in the top 300 (completed and topped out)
General information
Status On hold
Type Mixed use
Location Büyükdere Avenue Maslak, Istanbul, Turkey
Coordinates 41°06′34″N 29°01′26″E / 41.10944°N 29.02389°E / 41.10944; 29.02389Coordinates: 41°06′34″N 29°01′26″E / 41.10944°N 29.02389°E / 41.10944; 29.02389
Construction started 2011
Opening 2015 (est.)
Cost US$240,000,000
Roof 311 m (1,020 ft)
Technical details
Floor count 63 (above ground level)
8 (below ground level)
71 (overall)
Design and construction
Architect Dome Architecture
Developer Hattat Holding

Diamond of Istanbul is the tallest building under construction in Istanbul, Turkey, being built on the Büyükdere Avenue in the city's Maslak central business district of Şişli. It is also the country's first steel skyscraper. When completed, it will rise 63 floors above ground level and reach an above-ground height of 311 meters; thus surpassing the current tallest skyscraper in Istanbul, the 302m (60 floors) Istanbul Sapphire in Levent.

Its design, by Dome Architecture of Istanbul, comprises three steel wings connected to the central (concrete) elevator core. The three wings (towers) will house a luxury hotel (the tallest tower), A-class offices (the second-tallest tower), and rental skyscraper apartments (the shortest tower.) The tallest of the three wings (the hotel tower) will have an overall total of 63 floors above ground (three retail facility floors, 48 hotel tower floors and two panoramic restaurant floors above the hotel floors, at heights of 249.10m and 263.10m, respectively), and reach an overall structural height of 311m from street level. The steel wings rise from the common podium of a shopping mall comprising five floors - three above-ground and two below. The complex also has a five-floor parking garage situated in the bottom-most basement floors of the building (with a total of eight basement floors below ground level.)

The panoramic restaurant on the top-most floor will offer unobstructed views of both entrances to the Bosphorus strait and the dining experience at one of the tallest man-made points in Istanbul and Turkey.

Construction work[edit]

The construction of the project began in February 2002 with the start of demolition of an old nine-floor office building on the plot. The tower's steel beams began assembly in 2006.

The total area of the construction site comprises around 14,000 m².

Due to the space limitations around the construction site - the site is situated on one of the busiest transport arteries of Istanbul, Buyukdere Avenue - and to minimize the impact of construction activities on the traffic, all concrete pouring activities using concrete mixer trucks are performed at night.

As of April 2012, the project is on hold.

The companies involved in the development and construction of the project are:


See also[edit]