Jewelry › Long Oval Obsidian Ring Image 1 of 2 Image 2 of 2 Long Oval Obsidian Ring $75.00 Navajo Silver and Obsidian Ring with an oval stone in a floral motif, 1960s, 1 ⅛ inches long, size 6 ½ Purchase Added! Navajo Silver and Obsidian Ring with an oval stone in a floral motif, 1960s, 1 ⅛ inches long, size 6 ½