While you probably won't be bringing back home stone souvenirs, just having a look at the stone-carving mastery is worth it. Also, don't miss the chance to see the traditional Barong dance performed in the village!
Info http://www.balistarisland.com/Bali-Interesting-Place/Batubulan.htm
Address Jalan Batu Intan, Sukawati, Indonesia
Coordinates -8°37'20.194" N 115°15'42.894" E