Find your own signature
Diamond Signet Rings
Explore pre-loved diamond signet rings with individual character. Compare the settings, proportions and current UK sizes to find a piece that feels right for you.
Compare the details. Find your favourite. Ask us anything.Need a little guidance?
19 Products Found
9Carat Yellow Gold Diamond Signet Ring (Size R) 5mm Widest
9Carat Yellow Gold 0.10ct Diamond Signet Ring (Size R) 8.5x8.5mm
9Carat Yellow Gold Diamond Signet Ring (Size N 1/2) 3.5mm Widest
9Carat Yellow Gold Diamond Signet Ring (Size W 1/2) 7.5mm Widest
Antique 18Carat Yellow Gold Diamond Signet Ring (Size Q 1/2) 8mm Widest
Vintage 18Carat Yellow Gold Diamond Signet Ring (Size R) 6.5mm Widest
Vintage 9Carat Yellow Gold 0.20ct Diamond Signet Ring (Size L) 7.5mm Widest
Antique 18Carat Yellow Gold 0.15ct Diamond Gypsy Cluster Signet Ring (Size N) 9.5mm Widest
Antique 18Carat Yellow Gold Diamond Signet Ring (Size K) 7.5mm Widest
Vintage 9Carat Yellow Gold Diamond Oval Patterned Signet Ring (Size Q 1/2) 15mm Widest
18Carat Yellow Gold 0.50ct Diamond Gypsy Signet Ring (Size Z) 9.5mm Widest
9Carat White Gold 0.15ct Diamond Cluster Signet Ring (Size L) 4mm Widest
Vintage 18Carat Yellow Gold 1.20ct Diamond Gypsy Signet Ring (Size Q) 6.5mm Head
9Carat Yellow Gold Diamond Signet Ring (Size T 1/2) 15mm Widest
18Carat Yellow Gold 1.25ct Diamond Gypsy Signet Ring (Size N) 10.5mm Widest
18Carat Yellow Gold 0.25ct Diamond Signet Ring (Size K 1/2) 3mm Head
Pre-Owned Diamond Signet Rings
Find a fascinating collection of diamond signet rings at Jollys. We offer examples in gold and silver as well as different diamond cuts. We have a selection of styles including cluster and solitaire including some truly one-of-a-kind, stand out pieces. Signet rings are seeing a resurgence in popularity and we reflect this with a wide, diverse range. Signets have existed since antiquity and were originally intended as a seal or signature to emboss in wax. Perfect as an heirloom to pass down through the generations.Finest Diamond Signet Rings
Many of our rings are long out of production, so you will be investing in something with charm and a rich history. All of our rings are professionally verified and refurbished by our team of certified jewellery experts. Please ask about our resizing or engraving service. We deliver domestically and internationally and can arrange next day delivery where applicable. If you need any advice about any of our diamond signet rings feel free to contact us. Our dedicated team is always on hand to help. You can get in touch about all jewellery enquiries via live chat, email or phone.The Jollys Journal
A little knowledge. A meaningful choice.
A little guidance on the details, styles and care of the pieces you are exploring.
Engagement & Wedding Ring Metal Guide
Read the guide
How to Keep Your Vintage & Antique Jewellery like New!
Read the guideHere to help
Choose with confidence
For more photographs, measurements or help choosing a piece, speak to our team before ordering.
How do I choose the right size?
Check the current UK ring size on the product page. If you are unsure of your size, speak to our team before ordering.
Can a ring be resized?
The design, setting and metal affect whether a ring can be resized. Speak to our team about the specific piece before placing an order.