Larimar & Topaz Necklace in Sterling Silver

Previously owned sterling silver necklace. The center stone is baby blue larimar surrounded by white topaz. The chain is adorned with blue topaz that start at the pendant with a dark blue and the color lightens with each stone to a white stone at the top of the stack. Pendant measures 7/8" by almost 3/4" tall. The topaz stacks are 1 1/2" long. The necklace is 18 3/8" long. Weight: 10 grams. Marked 925.