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Built in solid 14K yellow gold, this 3mm diamond cut round box chain delivers a tight, faceted link structure that catches light from every angle — a clean profile that reads sharp whether worn alone or layered. The diamond cut finish gives each link a mirror-like shimmer without adding bulk, keeping the 14k yellow gold diamond cut box chain 3mm both refined and wearable day to day. At 3mm it sits confidently on the neck without overpowering a pendant, and the solid construction means it holds its shape and weight over years of wear. Explore box chains to compare widths and lengths across the full collection. Verified details include metal of 14K Yellow Gold, stone of Diamond and measurement of 3mm. Available colours: 20 Inches, 22 Inches and 24 Inches, Available sizes: 20 Inches, 22 Inches and 24 Inches and Listed configurations: 3.