Montana Sapphire Necklace B from $225.00 Handmade 925 Sterling Silver necklace with freeform Montana Sapphire weighing 0.70 carats. Shop › Montana Sapphire Necklace B 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 0.70 carats.