Our mini Biography photo locket gets a gemstone upgrade with beautiful blue Aventurine. Featuring spectrum of blue gemstones, this is a unique twist on an AC classic. 18k Gold Plated, Recycled Sterling Silver Locket fits two 8mm photos Free engraving, up to 3 characters Gemstone: 3mm Aventurine, Created White Sapphire Locket is 11mm diameter Adjustable Chain Length: 18" with 2" extender, lobster clasp