14K Yellow Gold Extendable Box Chain Necklace (0.70mm) – True Pure Gold

14K Yellow Gold Extendable Box Chain — Warm Gold Elegance, Everyday Versatility

Looking for the best extendable yellow gold box chain in solid gold? This 14K yellow gold box chain at 0.70mm delivers the warm, rich glow of real solid gold in an ultra-fine silhouette — delicate enough to wear as a barely-there accent, versatile enough to adapt to any neckline. The adjustable 16"–18" length means one chain works for every outfit without ever swapping. Solid 14K yellow gold, never plated, never hollow.

Adjustable from 16" to 18". Secured with a lobster clasp.

• ✦ Solid 14K Yellow Gold — real gold, never plated
• ✦ 0.70mm width — ultra-fine, warm yellow gold silhouette
• ✦ Extendable design — adjusts from 16" to 18" without removing
• ✦ Classic box link construction — clean, geometric, durable
• ✦ Lobster clasp — secure, everyday-ready
• ✦ Perfect for layering or wearing solo as a delicate warm gold accent

Chain Specifications

• Metal: 14K Yellow Gold
• Chain Type: Box
• Width: 0.70 mm
• Length: Extendable 16"–18"
• Clasp: Lobster Clasp
• Construction: Solid, not hollow

Approximate Weight by Length

• 18": 1.6 grams

Why You'll Love It

• ✦ Real 14K yellow gold — warm, rich, and built to last a lifetime without fading or plating
• ✦ The extendable design means one chain adapts to every neckline and every outfit
• ✦ At 0.70mm, it's one of the finest solid yellow gold box chains available — truly delicate
• ✦ Ideal as a standalone minimalist chain or layered beneath bolder yellow gold pieces
• ✦ Ships in a luxury gift box — ready to give or keep

How to Style

• ✦ Wear alone for an effortless, barely-there yellow gold look — understated luxury at its finest
• ✦ Layer under a 1.5mm–2mm rope or cable chain for a refined mixed-texture stack
• ✦ Perfect for holding a small pendant — the fine width keeps all focus on the charm
• ✦ A thoughtful gift for minimalists, bridesmaids, or anyone who loves real solid gold

Frequently Asked Questions

• Is this real gold? Yes — solid 14K yellow gold, never plated or hollow.
• How does the extendable clasp work? The chain has a standard lobster clasp plus an extension link, allowing you to wear it at 16" or 18" without swapping chains.
• Is 0.70mm strong enough for a pendant? Yes — the box link construction is one of the strongest chain styles. Best with lightweight pendants under 5 grams. For heavier pendants, we recommend our 1.5mm+ box chains.

Solid gold, never plated. Ships in a luxury gift box — ready to give or keep.