m m60 Shay Fine Jewelry SHAY fine jewelry is handmade in Los es using diamonds and precious gemstones set in 18karat gold and platinum. The collection – Shiner including rings, Wills-Point necklaces. Irene Neuwirth Designer Jewelry The Brand. Irene Neuwirth Plant-City is an independent, fine jewelry company based in Los es. Founded inby designer Irene Neuwirth and business partner Tracy Stoll. MAXFIELD LOS ANGELES Thank you for your interest. Please contact us Cushing at one of our stores listed below or Hartwell send an with your inquiry.