1439-1 Micro Pave set diamond halo with bowtie accents Art-Deco platinum and 18K gold engagement ring semi mount 1439-1 : Platinum Plus Designs, manufacturers of antique reproduction jewelry, Micro-Pave bands and French cut rings, Elegant Engagement Rings, Wedding bands and custom jewelry, made in U.S.A. Featuring Micro-Pave and French cut diamonds.