Pregnancy gifts, but make them chic, AND royal. That’s the philosophy of Merci Maman, a London-based jewelry line founded in 2007 by Beatrice de Montille that celebrates the new mama moment with personalized baubles that are stylish, sweet and actually cool. (Case in point: Kate Middleton, AKA Duchess of Cambridge, was spotted wearing a Merci Maman necklace gifted to her by her sister, Pippa, after the birth of Prince George.) From signet rings to charm necklaces, Merci Maman pieces feature semi-precious gemstones, as well as 18-karat gold plated or sterling silver pieces hand-engraved with memories, a quote, initials or special dates to create a necklace as unique as the mama who wears it. If it’s good enough for Kate….