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Questions? Ask Our Team

We understand that purchasing high value, supreme quality diamond jewellery online is something with which not everyone will be comfortable. Our products and educational videos are an excellent way of browsing our array of products, however, you may still want to view each item in person in order to feel more comfortable with exactly what you are buying and to make your experience a more pleasurable and personal one.

Our easy-to-follow booking system enables you to simply select the item(s) you would like to see in our showroom, along with a date and time, convenient for you.

Please note that although our showroom houses a vast array of our products, it may not have every single item in stock. In order to avoid disappointment, please be sure to input the product ID of the item you would like to see. Should any item you choose be out of stock, we will contact you to discuss alternative options.


Book An Appointment

Located in the heart of London’s jewellery district, Hatton Garden, our showroom houses an impressive array of samples and our expert consultants will be on hand to provide you with information on our products as well as guidance and advice to help you choose the piece that best suits your requirements.

A member of our team will call you to confirm that your appointment time has been reserved.

Contact Details:
Call Us On
UK:   020 8004 8538
Outside of UK:  + 44 (0)20 8004 8538
Find Us At:

Wonderfully Diamonds

(Offices)  27 Old Gloucester Road,
London, WC1N 3AX.
(Showroom Only) Hatton Garden,
LondonEC1N 8SB 
Opening Hours: 

Mon - Thurs 

Closest Stations: 

Farringdon (Underground and Rail)

Chancery Lane (Underground)

Book An Appointment

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Easy 14 Days Return

Orders purchased can be returned within 14 days for a full refund.For full details, see below our Terms and Conditions (4. Returns and Substitutions)

To receive full instruction on how to return your order:

1. From all other countries call International +44 (0) 0800 368 8936 Easy 14 Days Returns We are 100% committed to delivering first-class Customer Care to all of our happy customers. That's why we have a no quibble 14 day returns policy on most jewellery, subject to the following terms: The jewellery is not engraved, bespoke or resized. The jewellery is in its original, perfect state and the barcode security tag is intact. The jewellery is returned within 14 days of the delivery date. Returns Procedure Please inform us of your intention to return an order by emailing us at Label the parcel to our returns address: Hatton Garden, London EC1N 8JR (By Appointment Only) Registered in England & Wales. Wonderfully Diamonds Limited, 27 Old Gloucester Road, London, WC1N 3AX.

You should package your item in the original box in which it was sent and include the accompanying certificates. Failing to do so could result in a delay in processing your return and, in the case of a refund, could result in a deduction from the refund amount. You should send a covering letter inside your parcel. This should explain the reason you are sending your item to us; Make sure you insure the parcel for the full amount of your order value. Return the product by using a reputable and guaranteed postal service or courier company. Send the tracking number and date of post to

Warning Do not under any circumstances write diamonds, Wonderfully Diamonds or diamond jewellery anywhere on the external packaging or address label of the parcel. Drop Off You can arrange appointment to drop off your item in person at our london showroom. Simply contact us and we will book your appointment. Refund / Exchange duration: Once the item is received, it will be sent to the Quality Assessment department where the product (s) will be inspected. If any item found to be worn, damaged, altered, resized, tampered with, or found to be mishandled in any way it will not be accepted for refund.

Depending upon the payment method used, it will take 8-10 working days for the refund to appear in your account. Any Diamond fallen of the Ring or lost will not be covered under our return policy and no replacement will be guaranteed. We strongly advice you to get the jewellery insured yourself against such mishap.

Our advice to you is to inspect your item as soon as it arrives and notify Wonderfully Diamonds for any defect or damage, if found any. You may also contact us on our toll-free number 0800 072 1170 or email us at

Get In Touch If you would like to discuss any aspect of our returns policy, please get in touch with our ever so friendly Customer Care Team on +44 (0) 0800 368 8936 , or enter into a Live Chat.

A diamond certificate means that all elements of the diamond you purchased have been examined and rigorously tested.