The mighty oak tree symbolises strength, honour and nobility - and inspired the family crest created for Kate Middleton on the eve of her royal wedding to Prince William in April 2011. This Clogau Royal Oak Leaf Ring 3SROKDR is made from sterling silver with rare Welsh 9ct rose gold, the gold of royalty for over 100 years. It has a double leaf design with Welsh gold set into the base of the acorn and white topaz gemstones. Band thickness: 1.5mm Band width: 1.5mm Motif height: 3.5mm Motif width: 11.5mm Weight: 3.78 grams Clogau jewellery items and watches come with a one-year manufacturer's warranty. Additionally, you have the option to extend the warranty to two years by registering with Clogau within 30 days of purchase.