Opal, Lapis Lazuli, Gold Rings The lot includes one ring featuring an oval-shaped lapis lazuli cabochon measuring 15.95 x 11.80 x 5.85 mm, set in 14k gold(Size: 6);together with a ring featuring an oval-shaped opal cabochon measuring 24.85 x 14.75 mm, set in 18k gold(Size: 8). Gross weight 18.40 grams. *Note: both rings are sizeable