Herkimer Diamond Birthstone Necklace

A genuine Herkimer Diamond birthstone necklace with a 10mm heart-shaped gemstone on an 18″ chain with extender, in sterling silver or 14K gold-plated brass. Carried in the tradition of clarity and focus. An April birthstone. Selected by Earthward.

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Not a diamond at all, but a clear quartz with two pointed ends — mined in Herkimer County, New York, and sharp enough to be called one anyway. This Herkimer Diamond birthstone necklace holds a 10mm heart-shaped genuine faceted stone on an 18″ chain with a 1.5″ extender, in sterling silver or 14K gold-plated brass. A luminous April birthstone, or a bright everyday accent.

Herkimer Diamond is a clear, naturally double-terminated quartz. Carried in the tradition of clarity, focus, and the amplification of intention, it suits an April tradition of clear-headed thinking. Draw on it as a reminder to clear away distraction and set a steadier aim for the day.

The faceted heart sits close to the neckline, where the clear stone reads bright against skin. Worn close, it becomes a quiet focal piece — something real you can notice or touch when you want to pause and reset. The Earthward team selects each stone as genuine natural material and pairs the piece with a month-engraved tag; see more at Earthward.

Why You’ll Love It

10mm heart-shaped genuine faceted Herkimer Diamond gemstone
Sterling silver or 14K gold-plated brass chain
18″ chain with a 1.5″ extender for an adjustable fit
Month engraved on tag — a meaningful birthstone gift

How to Wear It

Adjust the chain to sit where it feels right against your neckline. Wear it on its own as a luminous focal piece, or layer it with finer, shorter chains.

Details

10mm heart-shaped genuine faceted Herkimer Diamond gemstone
Chain 18″ long with 1.5″ extender
Necklace made of .925 sterling silver or 14K gold-plated brass
Month engraved on tag

Care

Keep the necklace dry — avoid swimming, showering, perfume, and lotions. Herkimer Diamond is a durable quartz but best kept away from harsh cleaners and prolonged salt exposure. Wipe gently with a soft cloth and store separately from harder jewelry.

Crystal meanings are based on tradition and personal practice. This necklace is a symbolic wellness accessory and is not intended to diagnose, treat, cure, or prevent any condition.