From Viola Davis to Meghan Markle to Jessica Chastain, A-listers are flashing Maya Brenner’s colorful and supposedly soul-soothing jewelry: “It’s a way of life.” ...

She prefers high-quality gemstones and rocks. Manning-Plassnig makes hanging crystals and hand-knotted mala necklaces. A mala necklace is similar to prayer beads. “I use 108 beads. It is for ...