Montana Sapphire Necklace C from $250.00 Handmade 925 Sterling Silver ring with freeform Montana Sapphire weighing 0.70 carats. Shop › Montana Sapphire Necklace C Chain Length: Select Chain Length 16 inches 18 inches 20 inches Add To Cart Added! Handmade 925 Sterling Silver ring with freeform Montana Sapphire weighing 0.70 carats.