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Getting Your Engagement Ring Sized

How to arrange a complimentary size adjustment for your Engagement Ring

Your Ring Purchase includes a Complimentary Size Adjustment

Take advantage of purchasing with Serendipity Diamonds by benefitting from a free size adjustment. We provide free size adjustment for both Engagement Rings and Wedding Rings available within 2 months of receiving your ring. Please read the following guidance notes to understand limitations for this service.

How to arrange a size adjustment

Place your Engagement Ring in the small pocket box, (or use the larger box for Wedding Rings) placed in a sealed padded envelope. Include a note with the original order name (of client), return address, contact details and a note of the finger size required. Send your parcel by Royal Mail Special Delivery in the UK (or by insured / tracked mail /courier outside the UK) to the following address.


186 High Street 


Isle of Wight

PO33 2PN 

If you are not eligible for a free size adjustment we will confirm the cost of work before we begin any work. All sizing and repair work carried out is done on a non-profit basis, working at our own cost price for all existing clients. 

Upon receipt we will notify you that your parcel has arrived safely with us.


All items in our care are fully insured. However, it is the senders responsibility to ensure that items are adequately insured when they are sent to us. You can request a maximum cover of £2500 when you send your parcel with Royal Mail Special Delivery. We recommend basing the cover of a new purchase on the cost price of any newly purchased item. If you require inward insurance above this value, we can make arrangements for additional cover. Please contact us to discuss this further. 

Which ring types are included?

We provide a complimentary re-size for plain Wedding Rings and Engagement Rings. Please be aware of the following ring styles which are not included in this service. 

Where sizing is possible, the following styles will be subject to a charge covering our cost for the work involved. 

Free size adjustments do not apply to :

  • Diamond Eternity Rings
  • Diamond Wedding Rings
  • Engraved/customised Wedding Rings
  • Engraved/customised Engagement Rings
  • Concave Wedding Rings
  • Special offer rings
  • Patterned, inlaid or bespoke Titanium and Zirconium rings
  • Mount only purchases

Why are some styles not included?

Some styles of ring are not included with a complimentary resize because we have to consider these items on an individual basis. Details have to be considered such as engravings which may need to be re-applied following sizing. Please contact us for any further guidance in any of these matters. 

How long does it take?

Please allow approximately 1.5 weeks for work to be completed. Any payment for resize or repair work can be arranged prior to re-delivery. Please note that we will only charge for the return delivery cost of £10.00 to return your re-sized ring. 

Further Conditions

We will provide a complimentary size adjustment within 2 months of your delivery date. Please follow our guidance on sending an item to us for details on how to post your ring back. 

We allow a size adjustment up to a maximum of two finger sizes different to the original order. (Larger or smaller) Greater size adjustments will be subject to our own cost price for the work involved which is quoted for on an individual basis before any work commences.

Please ensure that you send a detailed note with your item, stating the new finger size required. You will need to cover the cost of returning the item to us by Special Delivery (UK) or tracked postage / courier outside the UK. 

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