Large Diamonds $32.00 - E-Store NOTE* Large Diamonds will become broken pieces after several hours in the fire. Surrounding the unbroken Diamond are the type of Crystal shards it will become. Again LARGE Diamonds will become broken large Crystal Shards after several hours of burning. (The FireGlass used in this photo is aBronze Reflective Base Glass dominant with Azurilte Base Glass and accented with Starfire Base Glass.