Lydia Courteille. Black and white diamond, topaz and amethyst ‘Turkey’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond and sapphire ‘Pig’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond, pearl and enamel ‘Duck’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond and sapphire ‘Goat’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond and rock crystal ‘Rabbit’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond, tsavorite and sapphire ‘Cow’ ring. Photo courtesy Lydia Courteille

Lydia Courteille. Diamond, opal and pearl ‘Mouse’ ring. Photo courtesy Lydia Courteille