18K yellow gold diamond and green tourmaline ring. The ring is designed with a comfort fit yellow gold shank that splits at the shoulders, one arm twists under and the other side twists up creating a down flow of movement. Triangular white gold figures on each shoulder are formed by stacked rows of 6 prong set diamonds, approx. .40 carats. The center stone is a 7.56 carat Indigolite Tourmaline measuring 13.3 x 11.6 mm, set in a white gold basket mounting. The ring measures 13.3mm in width. Size 5 1/4. Marked "Hallett 18K". Approx. 12.7 grams.