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A signet ring is one of the most impactful yet timeless pieces of jewellery around and the addition of the dramatic black onyx makes these pieces perfect for anyone who likes to make a statement.
This deep stone is incredibly versatile and can be paired with a wide array of metals. Here, you'll find a whole range of black onyx signet rings available in everything from yellow gold to rose gold.
We have both new and pre-owned pieces in stock, so we've got something to suit any style and budget. And, as we check every piece of pre-owned jewellery to ensure it’s entirely genuine, you can rest assured that you're only getting the finest pre-owned signet rings from us.
You might also be interested in some of our other onyx rings or the rest of our signet rings. We have a wide selection of silver and yellow gold options, plus even more gemstone signet rings, such as our bloodstone signet rings.