Bony Levy Diamond Cocktail Ring in 18k White GoldFrom the fine jewelry makers at Bony Levy, this sparkling statement ring features . 57 carats of diamonds in 18 karat white gold. Modern and shimmering the cocktail ring has a geometric openwork structure that houses the collection of one hundred and forty three (143) Round Brilliant cut diamonds. A bold and glamorous work of art. Shop More Diamond Cocktail Rings.