When we purchased this 18k gold bracelet from a fine estate collection, our first impression was BVLGARI.  Alas, we have not identified the maker of this exceptional bracelet.  Though the high craftsmanship deserves recognition , we are unable at this point, to identify it's maker.   

-18kt gold cuff bracelet featuring 1 pear shaped amethyst cabochon weighing approximately 2.3 ct, 1 oval green tourmaline cabochon weighing approximately 3 ct, 2 small round accent pink tourmaline cabochons totaling approximately .50 ct and 12 petite round brilliant diamonds ranging  F-H in color and VS-SI in clarity. 

-Inside measures approximately 6" end to end with 3/4' opening.  Hinged in construct, allowing for ease of adornment.

-approximately 28.5 grams