Pearls and Rubies Necklace is a tribute to the seven founders of Sigma Gamma Rho Sorority, Inc. and its virtues of faith, hope, and love. Deluxe: Length 18 inches Material: 8-9mm AAA freshwater pearls Malaysian jade 14K White gold plated clasp Premium: Length 18 inches Meterial: 10-11mm AAA freshwater pearls Malaysian jade 14K White gold plated clasp Our design technicians use extra strong fine silk to tie a knot between each pearl for prevention of accidental loss.