Diamond + Mammoth Tusk Cross PendantOur beautiful prehistoric woolly mammoth ivory hand carved cross pendant is set with a solid 14kt gold and single diamond bail. Large (photographed): 1 1 4 tall Xlarge: 1 7 8" tall Fossil mammoth ivory is found in the cold northern regions of Alaska, Canada, and Siberia and may range in age from 10,000 to 200,000 years. Natural colors are generally found in creams and tans and, very rarely, deep chocolate browns, blues, and greens. Woolly mammoth