Thank you for your replies, I really appreciate the insights and questions.
The design: sterling bangle. Rectangular (4mm wide)
post through silver bangle
cold connected with an invisible rivet on the underside
pearl on the top of the bracelet.
Round pearls and half drilled would be...
First, thank you for a wonderful resource. Love the 2 strand pearl tip -awesome-ness!
Second, For a best friend's BD, I'd like to post set some small half-drilled pearls in a forged neckpiece. But for the design, small is better. 3-4 mm. But there is a big difference in quality of pearls (duh...