- 18K Gold Plating - Solid Brass Base - Custom Design Inspired By CAMILLA - Cubic Zirconia Crystal And Pearl Details - Adjustable Length At Closure - Length: 34cm Our Palais Aetheria Pendant Necklace is a striking creation of luminous talismans. It is artisan made in solid brass with 18 karat gold plating, embellished by pearl and crystal detailing.