This gorgeous blue tourmaline ring features a slightly irregular oval blue tourmaline at 13.23 ctw in an 18K yellow gold bezel fused with on a stainless steel dome base and shank for superior durability and quality. Handmade, one of a kind. Approximately 16.33 mm x 21mm, including gold bezel. The stainless steel shank is concave in shape and comfortably fits approximately 9.6 mm wide. Size 8.5, may be re-size up to size 9.?