Getty/Alex Moss Composite

Tyler, the Creator dropped a boatload o' cash ... for 2 tiny but shiny suitcases and one bellhop to carry 'em.

The rapper is celebrating the release of his new album "Call Me If You Get Lost" with a ridiculously expensive chain and pendant. The total cost ... a whopping $500k, but ya gotta see the extensive work that went into producing it.

The man behind the masterful work is celeb jeweler Alex Moss, who tells TMZ ... Tyler hit him up about 7 months ago to get started on the piece, and it took him 4 months just to find the colored diamonds for it.

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