Description Landstroms delicate 10 karat Pink and Green Gold cross with 12 karat Black Hills Gold leaves, 10 karat Black Hills Gold grape clusters and a .03CT YOGO sapphire.  Includes gold filled 18″ chain. BORN IN MONTANA! Yogo Sapphires come from the world’s largest underground primary deposit of premium high quality, 100% natural sapphires. Unlike most sapphires on the market today, Yogos are not heat treated.