The corresponding gems are:
2.Swiss blue topaz
4.Deep purple amethyst
5, kyanite and iolite
6,Sky blue topaz and aquamarine
9,Peridot and green tourmaline,
10,Green golden quartz
14,pink topaz and pink touramline
The small rondelles on the clasp, starts from the red garnet, clockwise there are: amethyst, navy blue iolite, kyanite, apatite, london blue topaz, peridot, green amethyst, pink topaz, pink tourmaline, The deep blue briolette under the name is iolite, the royal blue briolette is kyanite, the pink briolette is pink tourmaline.
I couldn't count how many carat stone I used because I just kept adding more and more untill the chian is totally covered. I spent one whole day just arranging those stones and wrapping them together.