Diamond Exchange Dallas has this Tiffany and Co .42 CTW Diamond Cross Necklace available for $1500! This necklace is made and cross pendant is made from platinum. This neckalce sells from $2500 on the Tiffany website. If you are interested in purchasing this cross necklace or would like to see this in person then please fill out our contact form to schedule an appointment or call us today at 214-755-1806. Diamond Exchange Dallas has a large selection of wholesale diamonds and diamond jewelry.