- Monarch 10K Yellow Gold Rectangular Top Channel-Set Princess Cut Men's Diamond RingUS$ 825.00Total diamond weight .36ctEddy 14K White Gold Rectangular Stripe Design Black Onyx and Diamond Ring For MenUS$ 1,275.00Total diamond weight .25ctOutaouais 10K Yellow Gold Rectangular Top 5-Diamond Channel-Set Ring For MenUS$ 1,238.00Total diamond weight .46ct