Astra Jewelers is a private fine jewelry studio in Upper Montclair, NJ, offering curated fine jewelry, lab grown diamonds, custom design, engagement rings, gemstone sourcing, and jewelry repair through a more personal, appointment based experience. Whether you are creating something custom, comparing diamond options, or restoring a piece you love, Astra focuses on thoughtful service, craftsmanship, and attention to detail.
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We are based in Upper Montclair and serve clients across Essex County and surrounding New Jersey areas through private appointments and in-store visits.