(949)470.9500. Mardis Jewelry is the best jewelry store and custom design jeweler in Laguna Niguel. Mardis offers a prime selection of wedding rings, engagement rings, luxury watches, bracelets, earrings diamonds, jewelry exchange, on site jewelry repair, jewelry appraisals, cash for gold and more. Mardis Jewelry is also an official Philip Stein store. Mardis Jewelry is located Laguna Hills, California, one mile south of the Interstate 5 and the Alicia Parkway exit. Mardis Jewelry is in the Ralph’s shopping center, adjacent to Starbucks coffee, at the cross streets of Alicia and Paseo de Valencia.