Edwardian Opal & Diamond Boat Ring Size:4 The serpent's head is set

The serpent's head is set with a turquoise brain and two rose cut diamond eyes

and we've set it in an octagonal shaped millegrain collet setting

circa 1680

and featuring green and orange enamelled leaves

and it's dated to the reverse 25

Edwardian Opal & Diamond Boat Ring Size:4 The serpent's head is setDATE: Edwardian, c. 1912 A sweet Edwardian period opal and diamond boat ring with English hallmarks dating it to the year 1912, Birmingham. The richly coloured opals display blues, greens, yellows and reds, and are interspersed by the small but sparkling diamonds. Modelled in 18k gold throughout, it features gorgeous scalloped settings and a slim band. STONES Opal & Diamond MEASUREMENTS Head: 6. 1 x 15mm Rise off finger: 3. 9mm Width of band: 1. 8mm