Montana Sapphire Necklace A from $250.00 Handmade 925 Sterling Silver necklace with freeform Montana Sapphire weighing 0.60 carats. Shop › Montana Sapphire Necklace A Chain Length: Select Chain Length 16 inches 18 inches 20 inches Add To Cart Added! Handmade 925 Sterling Silver necklace with freeform Montana Sapphire weighing 0.60 carats.