Citrine engagement rings? Absolutely! Diamonds may be a girl's best friend, but Citrine engagement rings are a unique, original, and a far more affordable choice. November's birthstone, citrine sparkles like honey. Carry the warmth and glow of a golden sunset with you by wearing a beautiful citrine ring. Gem of hot summer nights and steamy red sunsets, ruby is the birthstone of July. Show the world the passions within you with a fiery ruby ring.