Jewelry, Eyewear and Watch Design Van Gogh's Gladioli Necklace by Larissa Moraes A handmade necklace inspired by van Gogh's gladiolus painting. Made of 18k gold, morganites, rubies and citrines. The diversity of the flowers is represented in the natural gemstones' different hues and colors. Delicate carvings in the gold represent the leaves' midrib and veins. Nature’s asymmetry and balance can be seen in the necklace delicate contours making it both bold and striking to the human eye.