BIG! 75.20 ct NATURAL DINOSAUR BONE GEMSTONE CABOCHON RING 925 SILVER.SIZE 9.5.
Exact Carat Total Weight: ( Silver + Stone) 89.90 carat, 17.98 gram. Shape: Rare! Natural High Quality Beautiful black Rainbow Obsidian 35.0 mm x 27.0 mm x 10 mm = 75.20 carat. Ring Size; 9.5. Face Ring :36.5 mm x 27.5 mm.