Meaningful jewelry, all under $100. (Fox News Composite) Get a head start on Mother's Day shopping or refresh your jewelry collection with affordable picks from Swarovski , Pandora and  Brilliant Earth . Standout deals include a Swarovski pendant necklace for more than 40% off on Amazon and lab-grown diamond studs under $100. If you’re shopping for mom, this family roots charm makes a thoughtful, budget-friendly addition to her Pandora bracelet. Swarovski Swarovski is known for its genuine