This Paraiba Topaz is vermeil yellow gold over sterling silver. The topaz pendant is 1/2" long from the top of the setting. The width is approximately 1/4". The color is vibrant blue, almost neon. The chain is 20" long with a spring clasp closure. NOTE: The gold chain has an area of discoloration. The necklace is priced accordingly. See pics. New with tags. Gift bag included.