Sigma Necklace

An modern elegant geometry necklace features "Σ" ,made with 8k Gold plated high quality stainless steel and cubic zirconia stone. This elegant piece can be worn to any occasion! In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as an operator for summation. However, in various Science and Engineering fields, Σ is used to represent many more different functions and parameters.  Perfect gift for geeks, nerds. Math lovers would certainly appreciate this gift. You will be able to leave a gift message in the SPECIAL INSTRUCTIONS field during checkout. Material: High Quality stainless steel, Cubic Zirconia Hypoallergenic, lead and nickel free Length: 16 to 18in (40-45cm) adjustable chain Size of pendant: 2 x 1 cm Come in gift-ready package.  Treat yourself or a loved one! Also available in Sterling Silver