kyoseki draws from the essence of stone. strength shaped by pressure, permanence in transformation. part of the kyoseki variation series, the rough kyoseki ring is a sculptural 6mm thick piece entirely hand-crafted from sterling silver 925, featuring a stone-like form adorned with a 3.5mm rough dark grey diamond. each piece is hand-fabricated and therefore one of a kind.subtle variations in finish and form are inherent to the process and add character to every piece. made to order — please allow 2 weeks for production. please note: the black patina used to oxidize the ring may appear darker in photos and will gradually soften over time, enhancing the character of the piece. material finish dimensions weight sterling silver 925 and rough diamond satin oxidized silver 6mm thick approx. 26g (size 6)