Estate Modernist Aquamarine Single Large Crystal set in 14K yellow gold. Signed on the back of the pendant with Millor? 14K. The chain is marked on the clasp 585. Pendant Dimensions: 5/8" wide x 1-1/2" long x 3/8" thick. Chain Length: 16". Total Weight (pendant & chain): 23.0 grams. Adorned with small Diamonds.