Sterling silver Art Deco men’s signet ring set with black onyx

This solid sterling silver Art Deco signet ring is handcrafted to your exact finger size for extreme comfort.  The masculine and sharp outlines of this ring are set with a natural square black Onyx, a durable and resistant gemstone, which makes it the ideal choice for elegant men with a sense of personal style.

If you are unsure about your size please visit our size guide.


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The Art Deco black Onyx signet ring, is handcrafted with love and passion in our south London studio.  Finished to the highest standard and designed to perfection, the unique masculine outlines of this sterling silver ring set with a natural black Onyx gemstone is an ideal choice for those wanting to add a personal touch to their everyday look.

Please note that each ring is handmade to your exact size, therefore, please allow up to 3 – 4 weeks to receive your order.  If you wish to receive your item at an earlier date please get in touch and we will do our best to meet your request.

Please make sure you order the correct ring size.  Please e-mail us at if you need assistance to determine your finger size.  If you are buying a ring as a gift or are unsure about the size to purchase, please order “standard size – gift” (choose from drop-down menu).  These can be sent back to us for a free sizing (but note you will be responsible to pay for the postage).  Rings ordered in a specific size can be sent back at your own cost for a free adjustment of 2 sizes bigger or smaller.  For all other size adjustments, we will charge £20+postage.  Please note that once a ring has been adjusted to your specific size it cannot be exchanged or returned.
For our international customer please see our ring size chart.

This item is hallmarked by the London Assay Office to guarantee the content of the metal, its year of manufacture, and to certify that it has been produced by Julie Nicaisse Jewellery.

Ring Size

O, O 1/2, P, P 1/2, Q, Q 1/2, R, R 1/2, S, S 1/2, Standard size – Gift, T, T 1/2, U, U 1/2, V, V 1/2, W, W 1/2, X, X 1/2, Y, Y 1/2, Z

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