Signature Round Stud Set | Onyx & Sterling Silver

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Smooth black onyx domes sit within a round, rhodium plated sterling silver frame, with an engraved diamond pattern and a black-colored enamel edge to accentuate the beauty of each semi-precious stone. Decorate your shirt with stones of the world. The color and natural formation of their gemstones differ from one another due to natural variation, making each piece truly one of a kind.

Material: Rhodium plated sterling silver with black-colored enamel elements.

Stone: Onyx is formed by layered deposits of limestone and occurs in parts of Africa, Argentina and Mexico. Commonly associated with grounding and protection.

Size: The face of each cufflink measures 18mm length x 18mm height x 6mm width.

The face of each shirt stud measures 10mm length x 10mm height x 3mm width.

We offer free standard ground shipping for orders over $250 in the US.  For orders under $250, M PENNER charges a flat rate of $15 per order.  We also offer expedited shipping to be paid by the customer. 

For local customers, in-store pick up is also available at no charge.


All of us at M PENNER want you to love your purchase. If, for any reason, you are not satisfied, we are happy to accept a return for a refund under our return policy. Returns outside the policy will not be accepted.

Jewelry, eyewear, fragrance, and apothecary items are not eligible for return.

View the full Shipping & Returns Policy