Zendaya is one of the many celebrities who wear estate jewelry on the red carpet. London Jewelers president Candy Udell curates the magnificent vintage collection (examples above, right) sold at the company's stores in Glen Cove, Manhasset, Southampton and East Hampton. Vintage jewelry is having a moment. Just look at the most recent Oscars red carpet, where dozens of celebs topped off their gowns with old gems, like Elle Fanning in a spotlight-stealing diamond choker from 1903, or the dozens of dudes sporting antique brooches affixed to their tuxedo jackets. “There’s a demand for vintage and heritage jewelry,” says Candy Udell, president of London Jewelers. Heirloom jewels have always had a certain lustre across the ages, but now they’re particularly attractive. The rise in the price of gold, as well as increased tariffs around the globe, have made buying — and manufacturing — new pieces more expensive. Pre-loved gems are not only more affordable but also more sustainable and better for the environment.…