Shop › Turquoise, Apatite and Purple Sapphire Necklace Image 1 of 1 Turquoise, Apatite and Purple Sapphire Necklace $1,800.00 sold out An 18" strand of Turquoise, Apatite and purple Sapphire beads strung on 18K wire with a 22K clasp. NCK24117 $1800 Sold Out Added! An 18" strand of Turquoise, Apatite and purple Sapphire beads strung on 18K wire with a 22K clasp. NCK24117 $1800