Resize and exchange details
We offer a resize service in case you purchased the wrong size. This service fee is £50 and can only be used once per ring. We custom make each ring to order and unfortunately none of the styles we offer can be resized so we actually make you a new ring. You must send the ring back in original condition within 30 days of receiving it. Buyer is responsible for shipping the rings back to us. Please send the ring/s back to the address below. Include the a note with order number.

Sesto Synergy UK
79 Camberwell Road
Flat 4
London, SE5 0EZ
United Kingdom

If you are unsure of your ring size we do offer a free sample rings see below for more details.

If you want to return your ring you please contact us first. There will be a 25% restocking fee for any ring returned. This is because we custom make each ring to order.

Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.

We offer free refinishing service to all our rings. You can send your ring back to us anytime you would like and we will polish it and bring it back to its new look. Deep scratches cannot be removed but we do offer repair service if needed. Shipping cost are not included in this free service.

Accidents happen, if your ring needs repair contact us and include photos to help us understand the damage and allow us to quote accordingly for the repair. Any issues due to craftmanship will be repaired for free.

We offer free worldwide shipping. Upgrades are available for both domestic and international orders. For international orders we strongly recommend upgrading your shipping service to one of our courier options as shipping times have been increasing due to Covid-19 and we are not responsible for any delay or loss during the transit.

Production time
Currently our production time is 2-3 weeks and for ring containing any precious metal is 3-4 weeks. Rush order service is available for a fee. This includes Royal Mail Special Delivery Guaranteed by 1pm® for domestic orders and a production time of 3-5 days. Please contact us if you need your ring urgently as we always try our best to accommodate our clients needs.

Sample Rings Service
If you are unsure of your ring size you can order our set of sample ring sizers prior to ordering your ring. There will be a £50 deposit which will be credited back towards the purchase of your ring once the sample rings are returned to us. Shipping is included and you can try on the sample rings for up to 5 days before having to return them to be eligible for the credit. We will send you a return label free of charge so the returning process is hassle free.