Trio Royal Blue Oval Sapphire & Diamond Ring



Ring Size

Infinite is the in-house fine jewellery line brought to you by tomfoolery. Contemporary designs with an alternate twist, perfect for an engagement ring or sentimental gift. 

TRIO – Past, Present and Future.

If you have any questions about this ring please call 0208 444 7000 or send an email to [email protected]





Materials & Dimensions

Metal: 14ct recycled yellow gold
Gemstones: Blue sapphire & white diamonds
Blue sapphire: 6mm x 4mm, 0.79ct
Pear cut white diamonds: 4.5mm x 3mm, 0.18ct total (G/H, SI)
Diamonds follow the Kimberley process
Round profile band: 1.3mm


We have a size N available in the gallery. This ring can be resized, please contact us for details

Shipping & Returns


We offer a range of delivery options including free in-store collection, and free shipping on all UK orders over £200. For more details, please visit our delivery page here.


Returning items with tomfoolery is a straightforward process. We’re pleased to provide a complete refund for eligible returns based on our returns policy. For more information, please visit our returns page here.


Jewellery is meant to endure through time, and we’re here to assist you in ensuring its everlasting longevity. We offer a 1 year warranty from the date of purchase against any manufacturing faults.



We accept all major credit cards. We also offer payment plans with Pay in 3 and Klarna, subject to their terms and conditions. If there are any issues processing your order – we will get in touch.