Plain Profiles


Sizing guide

The perfect ring stick does not exist. Even if you compare two ring sticks from the same company, they will still vary.
Measurements increased or decreased to the nearest one-hundredth of a millimetre will alter the size of the band.
Our rings are always sized to leading edge.
Easy-fit and contour-fit rings have different inside diameters to flat bands. The point of contact is in the middle of the ring rather than the leading edge. Our rings are still calculated to be made at leading edge as shown in the diagram below to the right.
Based on flat profile rings, our machinery manufactures to the exact millimetre measurements as shown in the table below.

Delivery times

Standard delivery – 4 working days
Priority service – 48 hour despatch (surcharge applies)

Twin Plaza Metals will confirm your order and despatch date by email.


Our selection of diamonds is second to none, ideal cut with collection colour E – F, choice of purity SI or VS with superior finish.

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