- 14K White Gold Oval Onyx and Channel-Set Diamond Halo Men's RingUS$ 1,575.00Total diamond weight .37ctRaja 10K Yellow Gold Diamond Stylish Groove Geometric Onyx Ring For MenUS$ 788.00Total diamond weight .03ct10K Yellow and White Gold Rectangular Onyx and Diamond Men's RingUS$ 750.00Total diamond weight .02ct