Nathan Alan is your family-owned Costa Mesa fine jewelry store in Orange County, with 44 years in South Coast Plaza, specializing in Diamond Engagement Rings (natural & lab-grown diamonds), with halo, solitaire, side stone, hidden halo,
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three-stone, vintage & custom designs. Turn to us for exquisite Necklaces, Earrings & Bracelets, as well as natural Ruby, Emerald & Sapphire jewelry.