Cashmere 18-karat gold multi-stone ring, Aurélie Bidermann Fine Jewelry, Gold is Aurélie Bidermann's preferred metal to work with, and this 18-karat 'Cashmere' ring is one of her favorite pieces. This handcrafted style is embossed with a filigree pattern - 0.08-carats of diamonds form part of its intricate design. The bright 1.16-carat tourmaline and 0.24-carats of tsavorites create a beautiful tonal contrast Size: 54. Gender: Female. Age Group: Adult.