Contemporary 18ct gold ruby and channel set diamond cluster ring

A gorgeous 18ct gold ring collet set with a central 5 mm x 3 mm ruby. Surrounded by 12 x 2 point diamonds, each beautifully channel set. The diamonds are white, bright and very lively. An estimated 0.24 carats. The ring face measures 11 mm x 9 mm. Flanked by split detail shoulders. On a plain shank.
Measurements: UK ring size N, US approx. 6 7/8, France approx. 54 1/2
Weighs: 4.2 grams
Hallmarks: marked 750 for 18ct gold