EF Collection Diamond Key and Lock Pendants in 14K Yellow Gold Ornament Length: .5” Ornament Width: .5” 14K Yellow Gold Carat Weight: 0.06 Stone Shape: Round Brilliant EF Collection is a Los Angeles-based fine jewelry brand on a mission to wearable future heirlooms. Founded in 2010 by Emily Faith Strauss, all of EF Collection’s pieces are made using the most premium materials. EF Collection’s 14k gold is always solid—never filled, plated, or vermeil. All of their gemstones are natural and mined from the earth because they believe nature is the finest inspiration. EF Collection’s diamonds are ethically sourced using the Kimberley Process, and each stone is GH color and SI1-SI2 clarity.