Natural Swiss Blue Topaz and Diamond Necklace. Pendant: 5/8 inch long and 1/4 inch wide. Thank you for looking at this item. Please see my other listings. The item "14K Yellow Gold Natural Swiss Blue Topaz and Diamond Necklace 17.5 inch chain" is in sale since Thursday, October 24, 2019.This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Gemstone". The seller is "sweetpotatocarol" and is located in Springfield, Missouri. This item can be shipped to United States, all countries in Europe, all countries in continental Asia, Canada, Australia.