We recently added a new product to Etsy: Decorative 'Piece of Cake' Adjustable Ring, priced £6.00:

[Description from Etsy product listing]

This decorative ring is made from ceramic and mixed metals and will adjust to fit most fingers.

The cake and plate ornament measures approx 2.7 x 2.1 mm across and sits 2.1 mm high.

Will be posted within 3-5 days of ordering.

Find it on Etsy here