Original Art Deco French Platinum Onyx Diamond Ring c.1930

Original Art Deco French Platinum Onyx Diamond Ring c.1930. This is a beautiful ring marked with a dog head for Platinum French hallmark. The ring is set with 52 white old mine cut diamonds and four carved onyx sections. The center diamond measures .18 carats I color VS-2 clarity total diamond weight 1.18 carats. Face of the ring measures 23mm by 19mm, Ring Size 7 1/2, Weight 8.5 grams,